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20013653452375 = 5311532511094143
BaseRepresentation
bin1001000110011110010101…
…01101000110011001010111
32121212021201220211202021001
410203033022231012121113
510110400430240434000
6110322051231004131
74133636663322322
oct443171255063127
977767656752231
1020013653452375
116416819689980
1222b2944069647
13b22382b77c3b
144d29476c57b9
1524a90386346a
hex1233cab46657

20013653452375 has 64 divisors (see below), whose sum is σ = 27872416825344. Its totient is φ = 14223846000000.

The previous prime is 20013653452369. The next prime is 20013653452391. The reversal of 20013653452375 is 57325435631002.

It is not a de Polignac number, because 20013653452375 - 215 = 20013653419607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17744554 + ... + 18838696.

It is an arithmetic number, because the mean of its divisors is an integer number (435506512896).

Almost surely, 220013653452375 is an apocalyptic number.

20013653452375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20013653452375 is a deficient number, since it is larger than the sum of its proper divisors (7858763372969).

20013653452375 is a wasteful number, since it uses less digits than its factorization.

20013653452375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094473 (or 1094463 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 46.

The spelling of 20013653452375 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, four hundred fifty-two thousand, three hundred seventy-five".

Divisors: 1 5 11 25 53 55 125 251 265 275 583 1255 1325 1375 2761 2915 6275 6625 13303 13805 14575 31375 66515 69025 72875 146333 332575 345125 731665 1094143 1662875 3658325 5470715 12035573 18291625 27353575 57989579 60177865 136767875 274629893 289947895 300889325 637885369 1373149465 1449739475 1504446625 3020928823 3189426845 6865747325 7248697375 14555384329 15104644115 15947134225 34328736625 72776921645 75523220575 79735671125 160109227619 363884608225 377616102875 800546138095 1819423041125 4002730690475 20013653452375