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5129937774720 = 273951137021
BaseRepresentation
bin100101010100110100000…
…0111100110100010000000
3200011102021011222000000000
41022221220013212202000
51133022103032242340
614524354430000000
71036424432423523
oct112515007464200
920142234860000
105129937774720
1116a865a155940
126aa271946000
132b299c0bccb5
1413a40c894bba
158d694d92d30
hex4aa681e6880

5129937774720 has 640 divisors, whose sum is σ = 20068169014080. Its totient is φ = 1243587686400.

The previous prime is 5129937774719. The next prime is 5129937774733. The reversal of 5129937774720 is 274777399215.

5129937774720 is a `hidden beast` number, since 5 + 1 + 2 + 9 + 93 + 7 + 77 + 472 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 138549810 + ... + 138586830.

Almost surely, 25129937774720 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 5129937774720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10034084507040).

5129937774720 is an abundant number, since it is smaller than the sum of its proper divisors (14938231239360).

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

5129937774720 is an frugal number, since it uses more digits than its factorization.

5129937774720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37078 (or 37042 counting only the distinct ones).

The product of its (nonzero) digits is 46675440, while the sum is 63.

The spelling of 5129937774720 in words is "five trillion, one hundred twenty-nine billion, nine hundred thirty-seven million, seven hundred seventy-four thousand, seven hundred twenty".