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1308470886828 = 2232741912799689
BaseRepresentation
bin10011000010100110111…
…100010100000110101100
311122002101120211002102100
4103002212330110012230
5132414222021334303
62441034144055100
7163351062012420
oct23024674240654
94562346732370
101308470886828
11464a12781906
12191710304490
139650806b201
144748a5cab80
15240829378a3
hex130a6f141ac

1308470886828 has 144 divisors (see below), whose sum is σ = 3792402432000. Its totient is φ = 372626521344.

The previous prime is 1308470886823. The next prime is 1308470886859. The reversal of 1308470886828 is 8286880748031.

1308470886828 is a `hidden beast` number, since 1 + 3 + 0 + 8 + 470 + 8 + 86 + 82 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1308470886823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135042208 + ... + 135051896.

It is an arithmetic number, because the mean of its divisors is an integer number (26336128000).

Almost surely, 21308470886828 is an apocalyptic number.

1308470886828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308470886828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1896201216000).

1308470886828 is an abundant number, since it is smaller than the sum of its proper divisors (2483931545172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1308470886828 is a wasteful number, since it uses less digits than its factorization.

1308470886828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11404 (or 11399 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 63.

The spelling of 1308470886828 in words is "one trillion, three hundred eight billion, four hundred seventy million, eight hundred eighty-six thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 419 838 1257 1279 1676 2514 2558 2933 3771 3837 5028 5116 5866 7542 7674 8799 8953 9689 11511 11732 15084 15348 17598 17906 19378 23022 26397 26859 29067 35196 35812 38756 46044 52794 53718 58134 67823 80577 87201 105588 107436 116268 135646 161154 174402 203469 271292 322308 348804 406938 535901 610407 813876 1071802 1220814 1607703 2143604 2441628 3215406 3751307 4059691 4823109 6430812 7502614 8119382 9646218 11253921 12179073 12392231 15005228 16238764 19292436 22507842 24358146 24784462 28417837 33761763 36537219 37176693 45015684 48716292 49568924 56835674 67523526 73074438 74353386 85253511 86745617 111530079 113671348 135047052 146148876 148706772 170507022 173491234 223060158 255760533 260236851 341014044 346982468 446120316 511521066 520473702 780710553 1023042132 1040947404 1561421106 3122842212 5192344789 10384689578 15577034367 20769379156 31154068734 36346413523 46731103101 62308137468 72692827046 93462206202 109039240569 145385654092 186924412404 218078481138 327117721707 436156962276 654235443414 1308470886828