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12701392128 = 283210315347
BaseRepresentation
bin10111101010000111…
…11101110100000000
31012210011220120110200
423311003331310000
5202003024022003
65500202525200
7626516023515
oct136503756400
935704816420
1012701392128
115428671997
122565806800
131275570759
14886c3930c
154e511a6a3
hex2f50fdd00

12701392128 has 108 divisors (see below), whose sum is σ = 36663620448. Its totient is φ = 4228899840.

The previous prime is 12701392103. The next prime is 12701392133. The reversal of 12701392128 is 82129310721.

12701392128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×127013921282 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12701392092 and 12701392101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2372751 + ... + 2378097.

Almost surely, 212701392128 is an apocalyptic number.

12701392128 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 12701392128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18331810224).

12701392128 is an abundant number, since it is smaller than the sum of its proper divisors (23962228320).

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

12701392128 is a wasteful number, since it uses less digits than its factorization.

12701392128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400 (or 6383 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 12701392128 in words is "twelve billion, seven hundred one million, three hundred ninety-two thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1031 1152 2062 2304 3093 4124 5347 6186 8248 9279 10694 12372 16041 16496 18558 21388 24744 32082 32992 37116 42776 48123 49488 64164 65984 74232 85552 96246 98976 128328 131968 148464 171104 192492 197952 256656 263936 296928 342208 384984 395904 513312 593856 684416 769968 791808 1026624 1187712 1368832 1539936 2053248 2375424 3079872 4106496 5512757 6159744 11025514 12319488 16538271 22051028 33076542 44102056 49614813 66153084 88204112 99229626 132306168 176408224 198459252 264612336 352816448 396918504 529224672 705632896 793837008 1058449344 1411265792 1587674016 2116898688 3175348032 4233797376 6350696064 12701392128