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25942764307216 = 24172749032
BaseRepresentation
bin1011110011000010001010…
…10000000100001100010000
310101212002210211221121102111
411321201011100010030100
511400021240130312331
6131101535201355104
75315205612125101
oct571410520041420
9111762724847374
1025942764307216
1182a22a0141349
122aaba6b338a94
1311625137c76a3
146598ca76a3a8
152eec6e104db1
hex179845404310

25942764307216 has 45 divisors (see below), whose sum is σ = 53395455056821. Its totient is φ = 12208196685056.

The previous prime is 25942764307171. The next prime is 25942764307241. The reversal of 25942764307216 is 61270346724952.

The square root of 25942764307216 is 5093404.

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., 20197653872400 + 5745110434816 = 4494180^2 + 2396896^2 .

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, 346314021 + ... + 346388923.

Almost surely, 225942764307216 is an apocalyptic number.

25942764307216 is the 5093404-th square number.

It is an amenable number.

25942764307216 is an abundant number, since it is smaller than the sum of its proper divisors (27452690749605).

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

25942764307216 is an frugal number, since it uses more digits than its factorization.

25942764307216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149848 (or 74922 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 25942764307216 in words is "twenty-five trillion, nine hundred forty-two billion, seven hundred sixty-four million, three hundred seven thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 17 34 68 136 272 289 578 1156 2312 4624 74903 149806 299612 599224 1198448 1273351 2546702 5093404 10186808 20373616 21646967 43293934 86587868 173175736 346351472 5610459409 11220918818 22441837636 44883675272 89767350544 95377809953 190755619906 381511239812 763022479624 1526044959248 1621422769201 3242845538402 6485691076804 12971382153608 25942764307216