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20926015737140 = 22523202922420571
BaseRepresentation
bin1001100001000001101111…
…01111000000110100110100
32202002111201000102222010002
410300200313233000310310
510220322440012042030
6112301140125050432
74256566114640363
oct460406757006464
982074630388102
1020926015737140
116738745386238
12241b7283b6a18
13b8a412863537
14524b788737da
15264501324245
hex130837bc0d34

20926015737140 has 48 divisors (see below), whose sum is σ = 45877871249280. Its totient is φ = 8002529208960.

The previous prime is 20926015737101. The next prime is 20926015737199. The reversal of 20926015737140 is 4173751062902.

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, 10276946 + ... + 12143625.

It is an arithmetic number, because the mean of its divisors is an integer number (955788984360).

Almost surely, 220926015737140 is an apocalyptic number.

20926015737140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20926015737140 is an abundant number, since it is smaller than the sum of its proper divisors (24951855512140).

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

20926015737140 is a wasteful number, since it uses less digits than its factorization.

20926015737140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22422632 (or 22422630 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 20926015737140 in words is "twenty trillion, nine hundred twenty-six billion, fifteen million, seven hundred thirty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 2029 4058 8116 10145 20290 40580 46667 93334 186668 233335 466670 933340 22420571 44841142 89682284 112102855 224205710 448411420 515673133 1031346266 2062692532 2578365665 5156731330 10313462660 45491338559 90982677118 181965354236 227456692795 454913385590 909826771180 1046300786857 2092601573714 4185203147428 5231503934285 10463007868570 20926015737140