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52685058474 = 2334373930703
BaseRepresentation
bin110001000100010001…
…100011000110101010
312000222201020021102000
4301010101203012222
51330344333332344
640111515351430
73543404415366
oct610421430652
9160881207360
1052685058474
1120386384244
12a264152576
134c78124619
14279b1942a6
151585477a69
hexc444631aa

52685058474 has 64 divisors (see below), whose sum is σ = 119966668800. Its totient is φ = 17129505456.

The previous prime is 52685058469. The next prime is 52685058493. The reversal of 52685058474 is 47485058625.

52685058474 is a `hidden beast` number, since 5 + 2 + 6 + 8 + 50 + 584 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 52685058474.

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, 1700607 + ... + 1731309.

It is an arithmetic number, because the mean of its divisors is an integer number (1874479200).

Almost surely, 252685058474 is an apocalyptic number.

52685058474 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52685058474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59983334400).

52685058474 is an abundant number, since it is smaller than the sum of its proper divisors (67281610326).

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

52685058474 is a wasteful number, since it uses less digits than its factorization.

52685058474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31496 (or 31490 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 54.

The spelling of 52685058474 in words is "fifty-two billion, six hundred eighty-five million, fifty-eight thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 43 54 86 129 258 387 739 774 1161 1478 2217 2322 4434 6651 13302 19953 30703 31777 39906 61406 63554 92109 95331 184218 190662 276327 285993 552654 571986 828981 857979 1320229 1657962 1715958 2640458 3960687 7921374 11882061 22689517 23764122 35646183 45379034 68068551 71292366 136137102 204205653 408411306 612616959 975649231 1225233918 1951298462 2926947693 5853895386 8780843079 17561686158 26342529237 52685058474