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52110030231 = 3271637976367
BaseRepresentation
bin110000100001111111…
…111111010110010111
311222111122012210221200
4300201333333112113
51323210131431411
635534454443543
73523222643250
oct604177772627
9158448183850
1052110030231
1120110831a96
12a1236635b3
134bb5c6011c
142744a6bb27
15154ec3de56
hexc21fff597

52110030231 has 48 divisors (see below), whose sum is σ = 86672861184. Its totient is φ = 29552703552.

The previous prime is 52110030229. The next prime is 52110030239. The reversal of 52110030231 is 13203001125.

It is not a de Polignac number, because 52110030231 - 21 = 52110030229 is a prime.

It is a super-2 number, since 2×521100302312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52110030239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8181210 + ... + 8187576.

It is an arithmetic number, because the mean of its divisors is an integer number (1805684608).

Almost surely, 252110030231 is an apocalyptic number.

52110030231 is a deficient number, since it is larger than the sum of its proper divisors (34562830953).

52110030231 is a wasteful number, since it uses less digits than its factorization.

52110030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340 (or 7337 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 52110030231 its reverse (13203001125), we get a palindrome (65313031356).

The spelling of 52110030231 in words is "fifty-two billion, one hundred ten million, thirty thousand, two hundred thirty-one".

Divisors: 1 3 7 9 21 63 163 489 797 1141 1467 2391 3423 5579 6367 7173 10269 16737 19101 44569 50211 57303 129911 133707 389733 401121 909377 1037821 1169199 2728131 3113463 5074499 7264747 8184393 9340389 15223497 21794241 35521493 45670491 65382723 106564479 319693437 827143337 2481430011 5790003359 7444290033 17370010077 52110030231