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7832245918225 = 52472119092
BaseRepresentation
bin111000111111001011000…
…1111000101101000010001
31000201202101200111002100111
41301332112033011220101
52011310414423340400
624354030055521321
71435601232564511
oct161762617055021
930652350432314
107832245918225
11254a7006a8733
12a65b37389241
1344a768057c91
141d1122dd7841
15d8b048a73ba
hex71f963c5a11

7832245918225 has 27 divisors (see below), whose sum is σ = 9923852775697. Its totient is φ = 6131966965280.

The previous prime is 7832245918177. The next prime is 7832245918249. The reversal of 7832245918225 is 5228195422387.

The square root of 7832245918225 is 2798615.

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 721533023761 + 7110712894464 = 849431^2 + 2666592^2 .

It is not a de Polignac number, because 7832245918225 - 211 = 7832245916177 is a prime.

It is a super-2 number, since 2×78322459182252 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7832245918225.

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, 657668571 + ... + 657680479.

Almost surely, 27832245918225 is an apocalyptic number.

7832245918225 is the 2798615-th square number.

7832245918225 is the 1399308-th centered octagonal number.

It is an amenable number.

7832245918225 is a deficient number, since it is larger than the sum of its proper divisors (2091606857472).

7832245918225 is an frugal number, since it uses more digits than its factorization.

7832245918225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23922 (or 11961 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 58.

The spelling of 7832245918225 in words is "seven trillion, eight hundred thirty-two billion, two hundred forty-five million, nine hundred eighteen thousand, two hundred twenty-five".

Divisors: 1 5 25 47 235 1175 2209 11045 11909 55225 59545 297725 559723 2798615 13993075 26306981 131534905 141824281 657674525 709121405 3545607025 6665741207 33328706035 166643530175 313289836729 1566449183645 7832245918225