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245264255393 = 2921479719709
BaseRepresentation
bin1110010001101011100…
…0111000100110100001
3212110001212222002210212
43210122320320212201
513004300122133033
6304401200103505
723501606526113
oct3443270704641
9773055862725
10245264255393
119501a307233
123b64a604b95
131a188bc4451
14bc2989b3b3
1565a71b0748
hex391ae389a1

245264255393 has 12 divisors (see below), whose sum is σ = 254043333180. Its totient is φ = 236778849216.

The previous prime is 245264255381. The next prime is 245264255413. The reversal of 245264255393 is 393552462542.

It can be written as a sum of positive squares in 6 ways, for example, as 341214784 + 244923040609 = 18472^2 + 494897^2 .

It is not a de Polignac number, because 245264255393 - 226 = 245197146529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245264254393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12434423 + ... + 12454131.

It is an arithmetic number, because the mean of its divisors is an integer number (21170277765).

Almost surely, 2245264255393 is an apocalyptic number.

It is an amenable number.

245264255393 is a deficient number, since it is larger than the sum of its proper divisors (8779077787).

245264255393 is a wasteful number, since it uses less digits than its factorization.

245264255393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34564 (or 34535 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 50.

The spelling of 245264255393 in words is "two hundred forty-five billion, two hundred sixty-four million, two hundred fifty-five thousand, three hundred ninety-three".

Divisors: 1 29 841 14797 19709 429113 571561 12444277 16575269 291634073 8457388117 245264255393