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16825992425 = 521161185427
BaseRepresentation
bin11111010101110100…
…00100010011101001
31121102122001222101122
433222322010103221
5233424423224200
611421343225025
71133651401334
oct175272042351
947378058348
1016825992425
11715491a170
123316ba8175
131781c39c48
14b5894561b
156872a4385
hex3eae844e9

16825992425 has 12 divisors (see below), whose sum is σ = 22760979216. Its totient is φ = 12237085200.

The previous prime is 16825992409. The next prime is 16825992479. The reversal of 16825992425 is 52429952861.

It is not a de Polignac number, because 16825992425 - 24 = 16825992409 is a prime.

It is a super-2 number, since 2×168259924252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30592439 + ... + 30592988.

It is an arithmetic number, because the mean of its divisors is an integer number (1896748268).

Almost surely, 216825992425 is an apocalyptic number.

It is an amenable number.

16825992425 is a deficient number, since it is larger than the sum of its proper divisors (5934986791).

16825992425 is a wasteful number, since it uses less digits than its factorization.

16825992425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61185448 (or 61185443 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 53.

The spelling of 16825992425 in words is "sixteen billion, eight hundred twenty-five million, nine hundred ninety-two thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 275 61185427 305927135 673039697 1529635675 3365198485 16825992425