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20504541262115 = 52313743916371811
BaseRepresentation
bin1001010100110000101011…
…11001011111000100100011
32200121012210201212020101102
410222120111321133010203
510141421300030341430
6111335353424225015
74214255435004431
oct452302571370443
980535721766342
1020504541262115
116595a21a98a19
122371b0146b16b
13b59754224451
1450c5d464bd51
15258584508345
hex12a615e5f123

20504541262115 has 64 divisors (see below), whose sum is σ = 25951731886080. Its totient is φ = 15522353341440.

The previous prime is 20504541262109. The next prime is 20504541262129. The reversal of 20504541262115 is 51126214540502.

It is not a de Polignac number, because 20504541262115 - 28 = 20504541261859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11322219560 + ... + 11322221370.

It is an arithmetic number, because the mean of its divisors is an integer number (405495810720).

Almost surely, 220504541262115 is an apocalyptic number.

20504541262115 is a deficient number, since it is larger than the sum of its proper divisors (5447190623965).

20504541262115 is a wasteful number, since it uses less digits than its factorization.

20504541262115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 20504541262115 in words is "twenty trillion, five hundred four billion, five hundred forty-one million, two hundred sixty-two thousand, one hundred fifteen".

Divisors: 1 5 23 115 137 439 685 1637 1811 2195 3151 8185 9055 10097 15755 37651 41653 50485 60143 188255 208265 224269 248107 300715 718643 795029 1121345 1240535 1383289 2964607 3593215 3975145 5158187 5706461 6916445 14823035 16528789 18285667 25790935 28532305 68185961 82643945 91428335 98454091 108918973 340929805 406151159 492270455 544594865 1301462473 2030755795 2264444093 2505136379 6507312365 9341476657 11322220465 12525681895 29933636879 46707383285 149668184395 178300358801 891501794005 4100908252423 20504541262115