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20568687427310 = 2511734373585749
BaseRepresentation
bin1001010110101000001010…
…10011101011111011101110
32200211100101012012001112112
410223110011103223323232
510143444132440133220
6111425042523204022
74222016151264341
oct453240523537356
980740335161475
1020568687427310
116610149912290
122382423976612
13b6280795b609
1451175ba22458
1525a08ac545c5
hex12b5054ebeee

20568687427310 has 64 divisors (see below), whose sum is σ = 40952134872000. Its totient is φ = 7375363937280.

The previous prime is 20568687427291. The next prime is 20568687427319. The reversal of 20568687427310 is 1372478686502.

It is a super-2 number, since 2×205686874273102 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20568687427310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20568687427319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34822316 + ... + 35408064.

It is an arithmetic number, because the mean of its divisors is an integer number (639877107375).

Almost surely, 220568687427310 is an apocalyptic number.

20568687427310 is a deficient number, since it is larger than the sum of its proper divisors (20383447444690).

20568687427310 is a wasteful number, since it uses less digits than its factorization.

20568687427310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590213.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 20568687427310 in words is "twenty trillion, five hundred sixty-eight billion, six hundred eighty-seven million, four hundred twenty-seven thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 73 110 146 365 730 803 1606 4015 4373 8030 8746 21865 43730 48103 96206 240515 319229 481030 585749 638458 1171498 1596145 2928745 3192290 3511519 5857490 6443239 7023038 12886478 17557595 32216195 35115190 42759677 64432390 85519354 213798385 427596770 470356447 940712894 2351782235 2561480377 4703564470 5122960754 12807401885 25614803770 28176284147 56352568294 140881420735 186988067521 281762841470 373976135042 934940337605 1869880675210 2056868742731 4113737485462 10284343713655 20568687427310