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252188307057652 = 227195383107760439
BaseRepresentation
bin111001010101110100101010…
…011101010110101111110100
31020001220222002201120211201221
4321111310222131112233310
5231023323123101321102
62252205413041400124
7104056001226110050
oct7125645235265764
91201828081524657
10252188307057652
117339a5078867a9
122434b949939044
13aa94341bccb94
14463bd9cc70c60
151e24ee3835637
hexe55d2a756bf4

252188307057652 has 96 divisors (see below), whose sum is σ = 547457518540800. Its totient is φ = 99249949648512.

The previous prime is 252188307057593. The next prime is 252188307057667. The reversal of 252188307057652 is 256750703881252.

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, 51539952 + ... + 56220487.

It is an arithmetic number, because the mean of its divisors is an integer number (5702682484800).

Almost surely, 2252188307057652 is an apocalyptic number.

It is an amenable number.

252188307057652 is an abundant number, since it is smaller than the sum of its proper divisors (295269211483148).

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

252188307057652 is a wasteful number, since it uses less digits than its factorization.

252188307057652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107760605 (or 107760603 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 61.

The spelling of 252188307057652 in words is "two hundred fifty-two trillion, one hundred eighty-eight billion, three hundred seven million, fifty-seven thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 19 28 38 53 76 83 106 133 166 212 266 332 371 532 581 742 1007 1162 1484 1577 2014 2324 3154 4028 4399 6308 7049 8798 11039 14098 17596 22078 28196 30793 44156 61586 83581 123172 167162 334324 585067 1170134 2340268 107760439 215520878 431041756 754323073 1508646146 2047448341 3017292292 4094896682 5711303267 8189793364 8944116437 11422606534 14332138387 17888232874 22845213068 28664276774 35776465748 39979122869 57328553548 62608815059 79958245738 108514762073 125217630118 159916491476 169938212303 217029524146 250435260236 339876424606 434059048292 474038171161 679752849212 759603334511 948076342322 1189567486121 1519206669022 1896152684644 2379134972242 3038413338044 3318267198127 4758269944484 6636534396254 9006725252059 13273068792508 18013450504118 36026901008236 63047076764413 126094153528826 252188307057652