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10520662325 = 52372307397
BaseRepresentation
bin10011100110001010…
…01001000100110101
31000011012111000120012
421303011021010311
5133021242143300
64455542150005
7521466103625
oct116305110465
930135430505
1010520662325
114509704358
122057422305
13cb88282a4
1471b376885
15418958435
hex273149135

10520662325 has 18 divisors (see below), whose sum is σ = 13407778566. Its totient is φ = 8189029440.

The previous prime is 10520662303. The next prime is 10520662379. The reversal of 10520662325 is 52326602501.

It can be written as a sum of positive squares in 9 ways, for example, as 877969 + 10519784356 = 937^2 + 102566^2 .

It is not a de Polignac number, because 10520662325 - 218 = 10520400181 is a prime.

It is a super-2 number, since 2×105206623252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10520662291 and 10520662300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 119474 + ... + 187923.

It is an arithmetic number, because the mean of its divisors is an integer number (744876587).

Almost surely, 210520662325 is an apocalyptic number.

It is an amenable number.

10520662325 is a deficient number, since it is larger than the sum of its proper divisors (2887116241).

10520662325 is an equidigital number, since it uses as much as digits as its factorization.

10520662325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307481 (or 307439 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 10520662325 in words is "ten billion, five hundred twenty million, six hundred sixty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 37 185 925 1369 6845 34225 307397 1536985 7684925 11373689 56868445 284342225 420826493 2104132465 10520662325