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20231098938 = 23259142913331
BaseRepresentation
bin10010110101110111…
…100001001000111010
31221012221101022101200
4102311313201020322
5312413130131223
613143302355030
71314226334511
oct226567411072
957187338350
1020231098938
118641a23086
123b0742ba76
131ba553017b
14d9cc81678
157d61b9a43
hex4b5de123a

20231098938 has 48 divisors (see below), whose sum is σ = 44611538400. Its totient is φ = 6624263520.

The previous prime is 20231098919. The next prime is 20231098961. The reversal of 20231098938 is 83989013202.

It is a super-4 number, since 4×202310989384 (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20231098893 and 20231098902.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1510933 + ... + 1524263.

It is an arithmetic number, because the mean of its divisors is an integer number (929407050).

Almost surely, 220231098938 is an apocalyptic number.

20231098938 is an abundant number, since it is smaller than the sum of its proper divisors (24380439462).

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

20231098938 is a wasteful number, since it uses less digits than its factorization.

20231098938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14827 (or 14824 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 20231098938 in words is "twenty billion, two hundred thirty-one million, ninety-eight thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 1429 2858 4287 8574 12861 13331 25722 26662 39993 79986 84311 119979 168622 239958 252933 505866 758799 786529 1517598 1573058 2359587 4719174 7078761 14157522 19049999 38099998 57149997 114299994 171449991 342899982 1123949941 2247899882 3371849823 6743699646 10115549469 20231098938