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1301220112230 = 23453151820793
BaseRepresentation
bin10010111011110110110…
…000110011011101100110
311121101200021012120120000
4102323312300303131212
5132304344322042410
62433434450522130
7163003306314033
oct22736660633546
94541607176500
101301220112230
11461931915605
12190227b96346
1395920b1113c
1446d9d63238a
1523cab0d4dc0
hex12ef6c33766

1301220112230 has 80 divisors (see below), whose sum is σ = 3611702058624. Its totient is φ = 335798732160.

The previous prime is 1301220112141. The next prime is 1301220112237. The reversal of 1301220112230 is 322110221031.

1301220112230 is a `hidden beast` number, since 1 + 301 + 2 + 20 + 112 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301220112237) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25885287 + ... + 25935506.

Almost surely, 21301220112230 is an apocalyptic number.

1301220112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301220112230 is an abundant number, since it is smaller than the sum of its proper divisors (2310481946394).

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

1301220112230 is a wasteful number, since it uses less digits than its factorization.

1301220112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51820843 (or 51820834 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1301220112230 its reverse (322110221031), we get a palindrome (1623330333261).

The spelling of 1301220112230 in words is "one trillion, three hundred one billion, two hundred twenty million, one hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 31 45 54 62 81 90 93 135 155 162 186 270 279 310 405 465 558 810 837 930 1395 1674 2511 2790 4185 5022 8370 12555 25110 51820793 103641586 155462379 259103965 310924758 466387137 518207930 777311895 932774274 1399161411 1554623790 1606444583 2331935685 2798322822 3212889166 4197484233 4663871370 4819333749 6995807055 8032222915 8394968466 9638667498 13991614110 14458001247 16064445830 20987421165 24096668745 28916002494 41974842330 43374003741 48193337490 72290006235 86748007482 130122011223 144580012470 216870018705 260244022446 433740037410 650610056115 1301220112230