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1239378056608 = 25194149718311
BaseRepresentation
bin10010000010010000101…
…100000101010110100000
311101111001101110122112111
4102002100230011112200
5130301221240302413
62345210141005104
7155353641442546
oct22022054052640
94344041418474
101239378056608
1143868766992a
12180249253794
138cb4685a813
1443db4279d96
152238bcbcd3d
hex12090b055a0

1239378056608 has 48 divisors (see below), whose sum is σ = 2631093071040. Its totient is φ = 572754931200.

The previous prime is 1239378056597. The next prime is 1239378056611. The reversal of 1239378056608 is 8066508739321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24834228 + ... + 24884083.

It is an arithmetic number, because the mean of its divisors is an integer number (54814438980).

Almost surely, 21239378056608 is an apocalyptic number.

It is an amenable number.

1239378056608 is an abundant number, since it is smaller than the sum of its proper divisors (1391715014432).

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

1239378056608 is a wasteful number, since it uses less digits than its factorization.

1239378056608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49718381 (or 49718373 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 1239378056608 in words is "one trillion, two hundred thirty-nine billion, three hundred seventy-eight million, fifty-six thousand, six hundred eight".

Divisors: 1 2 4 8 16 19 32 38 41 76 82 152 164 304 328 608 656 779 1312 1558 3116 6232 12464 24928 49718311 99436622 198873244 397746488 795492976 944647909 1590985952 1889295818 2038450751 3778591636 4076901502 7557183272 8153803004 15114366544 16307606008 30228733088 32615212016 38730564269 65230424032 77461128538 154922257076 309844514152 619689028304 1239378056608