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26315312270 = 2513202425479
BaseRepresentation
bin11000100000100000…
…111100110010001110
32111220221220101001012
4120200200330302032
5412343204443040
620031124245222
71621055315012
oct304040746216
974827811035
1026315312270
1110184342665
125124b40812
132634ba2cc0
1413b8d32542
15a403d9865
hex62083cc8e

26315312270 has 16 divisors (see below), whose sum is σ = 51011220960. Its totient is φ = 9716422944.

The previous prime is 26315312237. The next prime is 26315312293. The reversal of 26315312270 is 7221351362.

It is a super-2 number, since 2×263153122702 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101212610 + ... + 101212869.

It is an arithmetic number, because the mean of its divisors is an integer number (3188201310).

Almost surely, 226315312270 is an apocalyptic number.

26315312270 is a deficient number, since it is larger than the sum of its proper divisors (24695908690).

26315312270 is a wasteful number, since it uses less digits than its factorization.

26315312270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202425499.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 26315312270 in words is "twenty-six billion, three hundred fifteen million, three hundred twelve thousand, two hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 202425479 404850958 1012127395 2024254790 2631531227 5263062454 13157656135 26315312270