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71210577540496 = 24797226472
BaseRepresentation
bin10000001100010000000001…
…001011011011010110010000
3100100010122221120211121112011
4100030100001023123112100
533313203230322243441
6411241404313312304
720666536331655412
oct2014200113332620
9310118846747464
1071210577540496
1120765266624a19
127ba1106405694
1330971898429c4
141382878ad09b2
1583753d122581
hex40c4012db590

71210577540496 has 45 divisors (see below), whose sum is σ = 138196032020769. Its totient is φ = 35547180322752.

The previous prime is 71210577540467. The next prime is 71210577540497. The reversal of 71210577540496 is 69404577501217.

The square root of 71210577540496 is 8438636.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 34531371795600 + 36679205744896 = 5876340^2 + 6056336^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71210577540496.

It is not an unprimeable number, because it can be changed into a prime (71210577540497) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26902370245 + ... + 26902372891.

Almost surely, 271210577540496 is an apocalyptic number.

71210577540496 is the 8438636-th square number.

It is an amenable number.

71210577540496 is a deficient number, since it is larger than the sum of its proper divisors (66985454480273).

71210577540496 is an frugal number, since it uses more digits than its factorization.

71210577540496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896 (or 3446 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 58.

The spelling of 71210577540496 in words is "seventy-one trillion, two hundred ten billion, five hundred seventy-seven million, five hundred forty thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 797 1594 2647 3188 5294 6376 10588 12752 21176 42352 635209 1270418 2109659 2540836 4219318 5081672 7006609 8438636 10163344 14013218 16877272 28026436 33754544 56052872 112105744 1681398223 3362796446 5584267373 6725592892 11168534746 13451185784 22337069492 26902371568 44674138984 89348277968 4450661096281 8901322192562 17802644385124 35605288770248 71210577540496