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192321717025 = 5213926312
BaseRepresentation
bin1011001100011101000…
…1001000001100100001
3200101102020020111101111
42303013101020030201
511122333324421100
6224203521503321
716615624423234
oct2630721101441
9611366214344
10192321717025
1174621660599
12313341a1b41
131519c63b979
14944644141b
1550093276ba
hex2cc7448321

192321717025 has 27 divisors (see below), whose sum is σ = 240588227763. Its totient is φ = 152508409200.

The previous prime is 192321717017. The next prime is 192321717031. The reversal of 192321717025 is 520717123291.

The square root of 192321717025 is 438545.

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., 69235818129 + 123085898896 = 263127^2 + 350836^2 .

It is not a de Polignac number, because 192321717025 - 23 = 192321717017 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, 304788460 + ... + 304789090.

Almost surely, 2192321717025 is an apocalyptic number.

192321717025 is the 438545-th square number.

192321717025 is the 219273-rd centered octagonal number.

It is an amenable number.

192321717025 is a deficient number, since it is larger than the sum of its proper divisors (48266510738).

192321717025 is an frugal number, since it uses more digits than its factorization.

192321717025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 192321717025 in words is "one hundred ninety-two billion, three hundred twenty-one million, seven hundred seventeen thousand, twenty-five".

Divisors: 1 5 25 139 631 695 3155 3475 15775 19321 87709 96605 398161 438545 483025 1990805 2192725 9954025 12191551 55344379 60957755 276721895 304788775 1383609475 7692868681 38464343405 192321717025