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52723312070 = 25111373949891
BaseRepresentation
bin110001000110100011…
…011110010111000110
312001002101012202110212
4301012203132113012
51330434131441240
640115403315422
73544350521042
oct610643362706
9161071182425
1052723312070
11203a5a31790
12a274b1bb72
134c830292a0
1427a22b1022
1515889d2165
hexc468de5c6

52723312070 has 64 divisors (see below), whose sum is σ = 111646321920. Its totient is φ = 17673033600.

The previous prime is 52723312039. The next prime is 52723312127. The reversal of 52723312070 is 7021332725.

52723312070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031825 + ... + 1081715.

It is an arithmetic number, because the mean of its divisors is an integer number (1744473780).

Almost surely, 252723312070 is an apocalyptic number.

52723312070 is an abundant number, since it is smaller than the sum of its proper divisors (58923009850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52723312070 is a wasteful number, since it uses less digits than its factorization.

52723312070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50661.

The product of its (nonzero) digits is 17640, while the sum is 32.

Adding to 52723312070 its reverse (7021332725), we get a palindrome (59744644795).

The spelling of 52723312070 in words is "fifty-two billion, seven hundred twenty-three million, three hundred twelve thousand, seventy".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 739 1430 1478 3695 7390 8129 9607 16258 19214 40645 48035 49891 81290 96070 99782 105677 211354 249455 498910 528385 548801 648583 1056770 1097602 1297166 2744005 3242915 5488010 6485830 7134413 14268826 35672065 36869449 71344130 73738898 184347245 368694490 405563939 479302837 811127878 958605674 2027819695 2396514185 4055639390 4793028370 5272331207 10544662414 26361656035 52723312070