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52720272024 = 23371718459479
BaseRepresentation
bin110001000110010111…
…111000001010011000
312001002011111022022120
4301012113320022120
51330432342201044
640115214221240
73544312626660
oct610627701230
9161064438276
1052720272024
11203a4245752
12a273ab4820
134c82503644
1427a1b1d1a0
1515885d1519
hexc465f8298

52720272024 has 64 divisors (see below), whose sum is σ = 159489907200. Its totient is φ = 14176879104.

The previous prime is 52720272019. The next prime is 52720272037. The reversal of 52720272024 is 42027202725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9226884 + ... + 9232595.

It is an arithmetic number, because the mean of its divisors is an integer number (2492029800).

Almost surely, 252720272024 is an apocalyptic number.

It is an amenable number.

52720272024 is an abundant number, since it is smaller than the sum of its proper divisors (106769635176).

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

52720272024 is a wasteful number, since it uses less digits than its factorization.

52720272024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18459512 (or 18459508 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

Adding to 52720272024 its reverse (42027202725), we get a palindrome (94747474749).

The spelling of 52720272024 in words is "fifty-two billion, seven hundred twenty million, two hundred seventy-two thousand, twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 51 56 68 84 102 119 136 168 204 238 357 408 476 714 952 1428 2856 18459479 36918958 55378437 73837916 110756874 129216353 147675832 221513748 258432706 313811143 387649059 443027496 516865412 627622286 775298118 941433429 1033730824 1255244572 1550596236 1882866858 2196678001 2510489144 3101192472 3765733716 4393356002 6590034003 7531467432 8786712004 13180068006 17573424008 26360136012 52720272024