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12925801064 = 2311733795309
BaseRepresentation
bin11000000100111000…
…00001001001101000
31020100211011201122202
430002130001021220
5202433001113224
65534340435332
7635212332131
oct140234011150
936324151582
1012925801064
115533306720
1226089a8b48
1312acbc2bc7
148a8972c88
15509b96eae
hex302701268

12925801064 has 64 divisors (see below), whose sum is σ = 26877096000. Its totient is φ = 5778501120.

The previous prime is 12925801043. The next prime is 12925801117. The reversal of 12925801064 is 46010852921.

It is a super-2 number, since 2×129258010642 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2432042 + ... + 2437350.

It is an arithmetic number, because the mean of its divisors is an integer number (419954625).

Almost surely, 212925801064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12925801064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13438548000).

12925801064 is an abundant number, since it is smaller than the sum of its proper divisors (13951294936).

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

12925801064 is a wasteful number, since it uses less digits than its factorization.

12925801064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778 (or 5774 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 12925801064 in words is "twelve billion, nine hundred twenty-five million, eight hundred one thousand, sixty-four".

Divisors: 1 2 4 8 11 22 44 73 88 146 292 379 584 758 803 1516 1606 3032 3212 4169 5309 6424 8338 10618 16676 21236 27667 33352 42472 55334 58399 110668 116798 221336 233596 304337 387557 467192 608674 775114 1217348 1550228 2012111 2434696 3100456 4024222 4263127 8048444 8526254 16096888 17052508 22133221 34105016 44266442 88532884 146884103 177065768 293768206 587536412 1175072824 1615725133 3231450266 6462900532 12925801064