Search a number
-
+
1312903798848 = 26331190963799
BaseRepresentation
bin10011000110101111001…
…010100010000001000000
311122111211112010100112000
4103012233022202001000
5133002311333030343
62443050100504000
7163565660105235
oct23065712420100
94574745110460
101312903798848
11466887a70264
121925489ab000
1396a63585785
144778b23178c
1524241bc2ed3
hex131af2a2040

1312903798848 has 112 divisors (see below), whose sum is σ = 3860078640000. Its totient is φ = 437590992384.

The previous prime is 1312903798847. The next prime is 1312903798861. The reversal of 1312903798848 is 8488973092131.

1312903798848 is a `hidden beast` number, since 131 + 2 + 90 + 379 + 8 + 8 + 48 = 666.

It is a super-2 number, since 2×13129037988482 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312903798847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20546853 + ... + 20610651.

Almost surely, 21312903798848 is an apocalyptic number.

1312903798848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1312903798848 is an abundant number, since it is smaller than the sum of its proper divisors (2547174841152).

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

1312903798848 is a wasteful number, since it uses less digits than its factorization.

1312903798848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75729 (or 75713 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 1312903798848 in words is "one trillion, three hundred twelve billion, nine hundred three million, seven hundred ninety-eight thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 11909 23818 35727 47636 63799 71454 95272 107181 127598 142908 190544 191397 214362 255196 285816 321543 381088 382794 428724 510392 571632 574191 643086 762176 765588 857448 1020784 1143264 1148382 1286172 1531176 1714896 1722573 2041568 2286528 2296764 2572344 3062352 3429792 3445146 4083136 4593528 5144688 6124704 6859584 6890292 9187056 10289376 12249408 13780584 18374112 20578752 27561168 36748224 55122336 110244672 759782291 1519564582 2279346873 3039129164 4558693746 6078258328 6838040619 9117387492 12156516656 13676081238 18234774984 20514121857 24313033312 27352162476 36469549968 41028243714 48626066624 54704324952 72939099936 82056487428 109408649904 145878199872 164112974856 218817299808 328225949712 437634599616 656451899424 1312903798848