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2568390153 = 374797139193
BaseRepresentation
bin1001100100010110…
…1000011000001001
320121222212201221020
42121011220120021
520230001441103
61102505303053
7120434645640
oct23105503011
96558781836
102568390153
1110a887559a
125b8194a89
1331c1562b4
141a5174357
15100739753
hex99168609

2568390153 has 64 divisors (see below), whose sum is σ = 4088340480. Its totient is φ = 1404076032.

The previous prime is 2568390137. The next prime is 2568390157. The reversal of 2568390153 is 3510938652.

It is not a de Polignac number, because 2568390153 - 24 = 2568390137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2568390157) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13307625 + ... + 13307817.

It is an arithmetic number, because the mean of its divisors is an integer number (63880320).

Almost surely, 22568390153 is an apocalyptic number.

It is an amenable number.

2568390153 is a deficient number, since it is larger than the sum of its proper divisors (1519950327).

2568390153 is a wasteful number, since it uses less digits than its factorization.

2568390153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 2568390153 is about 50679.2872187445. The cubic root of 2568390153 is about 1369.4736026229.

The spelling of 2568390153 in words is "two billion, five hundred sixty-eight million, three hundred ninety thousand, one hundred fifty-three".

Divisors: 1 3 7 21 47 97 139 141 193 291 329 417 579 679 973 987 1351 2037 2919 4053 4559 6533 9071 13483 13677 18721 19599 26827 27213 31913 40449 45731 56163 63497 80481 94381 95739 131047 137193 187789 190491 283143 393141 563367 633701 879887 1260869 1901103 2602219 2639661 3782607 4435907 6159209 7806657 8826083 13307721 18215533 18477627 26478249 54646599 122304293 366912879 856130051 2568390153