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26390652304 = 2417223892
BaseRepresentation
bin11000100101000000…
…010110010110010000
32112010012200001010211
4120211000112112100
5413022001333204
620042415133504
71622661562162
oct304500262620
975105601124
1026390652304
1110212920755
125146214294
1326476912c3
1413c4d44932
15a46d1c804
hex625016590

26390652304 has 45 divisors (see below), whose sum is σ = 54339319587. Its totient is φ = 12413932032.

The previous prime is 26390652289. The next prime is 26390652313. The reversal of 26390652304 is 40325609362.

The square root of 26390652304 is 162452.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1299600 + 26389352704 = 1140^2 + 162448^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11045542 + ... + 11047930.

Almost surely, 226390652304 is an apocalyptic number.

26390652304 is the 162452-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26390652304

26390652304 is an abundant number, since it is smaller than the sum of its proper divisors (27948667283).

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

26390652304 is an frugal number, since it uses more digits than its factorization.

26390652304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 26390652304 in words is "twenty-six billion, three hundred ninety million, six hundred fifty-two thousand, three hundred four".

Divisors: 1 2 4 8 16 17 34 68 136 272 289 578 1156 2312 2389 4624 4778 9556 19112 38224 40613 81226 162452 324904 649808 690421 1380842 2761684 5523368 5707321 11046736 11414642 22829284 45658568 91317136 97024457 194048914 388097828 776195656 1552391312 1649415769 3298831538 6597663076 13195326152 26390652304