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126372868397568 = 29321319373119649
BaseRepresentation
bin11100101110111101111001…
…111011100001101000000000
3121120110010110110222202012100
4130232331321323201220000
5113030443113302210233
61124434521055430400
735422065325606542
oct3456757173415000
9546403413882170
10126372868397568
11372a2483749531
121220baa9b25400
135568bab08a280
14232c69d923692
15e923ad108813
hex72ef79ee1a00

126372868397568 has 960 divisors, whose sum is σ = 426032294688000. Its totient is φ = 35722879303680.

The previous prime is 126372868397543. The next prime is 126372868397623. The reversal of 126372868397568 is 865793868273621.

126372868397568 is a `hidden beast` number, since 1 + 2 + 6 + 372 + 86 + 83 + 97 + 5 + 6 + 8 = 666.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13096986408 + ... + 13096996056.

It is an arithmetic number, because the mean of its divisors is an integer number (443783640300).

Almost surely, 2126372868397568 is an apocalyptic number.

126372868397568 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 126372868397568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213016147344000).

126372868397568 is an abundant number, since it is smaller than the sum of its proper divisors (299659426290432).

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

126372868397568 is a wasteful number, since it uses less digits than its factorization.

126372868397568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10053 (or 10034 counting only the distinct ones).

The product of its digits is 8778792960, while the sum is 81.

The spelling of 126372868397568 in words is "one hundred twenty-six trillion, three hundred seventy-two billion, eight hundred sixty-eight million, three hundred ninety-seven thousand, five hundred sixty-eight".