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2570117645 = 513918120431
BaseRepresentation
bin1001100100110000…
…1110001000001101
320122010010111121102
42121030032020031
520230422231040
61103010312445
7120455432234
oct23114161015
96563114542
102570117645
1110a9845477
125b8888725
1331c60c694
141a54a3b1b
1510097b515
hex9930e20d

2570117645 has 16 divisors (see below), whose sum is σ = 3123644160. Its totient is φ = 2029924800.

The previous prime is 2570117639. The next prime is 2570117653. The reversal of 2570117645 is 5467110752.

It is not a de Polignac number, because 2570117645 - 24 = 2570117629 is a prime.

It is a super-3 number, since 3×25701176453 (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2570117599 and 2570117608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115580 + ... + 136010.

It is an arithmetic number, because the mean of its divisors is an integer number (195227760).

Almost surely, 22570117645 is an apocalyptic number.

It is an amenable number.

2570117645 is a deficient number, since it is larger than the sum of its proper divisors (553526515).

2570117645 is a wasteful number, since it uses less digits than its factorization.

2570117645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20756.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 2570117645 is about 50696.3277269666. The cubic root of 2570117645 is about 1369.7805685107.

The spelling of 2570117645 in words is "two billion, five hundred seventy million, one hundred seventeen thousand, six hundred forty-five".

Divisors: 1 5 139 181 695 905 20431 25159 102155 125795 2839909 3698011 14199545 18490055 514023529 2570117645