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255116653 = 1123192423
BaseRepresentation
bin11110011010011…
…00010101101101
3122210001021020221
433031030111231
51010302213103
641152011341
76215312221
oct1715142555
9583037227
10255116653
11121008a10
1271530b51
1340b145cc
1425c4c781
15175e51bd
hexf34c56d

255116653 has 4 divisors (see below), whose sum is σ = 278309088. Its totient is φ = 231924220.

The previous prime is 255116647. The next prime is 255116717. The reversal of 255116653 is 356611552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 255116653 - 225 = 221562221 is a prime.

It is a super-3 number, since 3×2551166533 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255116623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11596201 + ... + 11596222.

It is an arithmetic number, because the mean of its divisors is an integer number (69577272).

Almost surely, 2255116653 is an apocalyptic number.

It is an amenable number.

255116653 is a deficient number, since it is larger than the sum of its proper divisors (23192435).

255116653 is a wasteful number, since it uses less digits than its factorization.

255116653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23192434.

The product of its digits is 27000, while the sum is 34.

The square root of 255116653 is about 15972.3715521522. The cubic root of 255116653 is about 634.2292531393.

The spelling of 255116653 in words is "two hundred fifty-five million, one hundred sixteen thousand, six hundred fifty-three".

Divisors: 1 11 23192423 255116653