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317357589025 = 5230723672
BaseRepresentation
bin1001001111000111111…
…11001000001000100001
31010100011012021220120201
410213203333020020201
520144422020322100
6401443030305201
731633262666221
oct4474377101041
91110135256521
10317357589025
111126550a38a4
125160a4b8201
1323c07c34549
1411508506081
1583c646d36a
hex49e3fc8221

317357589025 has 27 divisors (see below), whose sum is σ = 395888127219. Its totient is φ = 252369546480.

The previous prime is 317357589013. The next prime is 317357589049. The reversal of 317357589025 is 520985753713.

The square root of 317357589025 is 563345.

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., 114248732049 + 203108856976 = 338007^2 + 450676^2 .

It is not a de Polignac number, because 317357589025 - 25 = 317357588993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 864734392 + ... + 864734758.

Almost surely, 2317357589025 is an apocalyptic number.

317357589025 is the 563345-th square number.

317357589025 is the 281673-rd centered octagonal number.

It is an amenable number.

317357589025 is a deficient number, since it is larger than the sum of its proper divisors (78530538194).

317357589025 is an frugal number, since it uses more digits than its factorization.

317357589025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 55.

The spelling of 317357589025 in words is "three hundred seventeen billion, three hundred fifty-seven million, five hundred eighty-nine thousand, twenty-five".

Divisors: 1 5 25 307 367 1535 1835 7675 9175 94249 112669 134689 471245 563345 673445 2356225 2816725 3367225 34589383 41349523 172946915 206747615 864734575 1033738075 12694303561 63471517805 317357589025