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20463803412 = 22313191686797
BaseRepresentation
bin10011000011101111…
…001101110000010100
31221211011020220220220
4103003233031300110
5313402213202122
613222334154340
71323053313303
oct230357156024
957734226826
1020463803412
118751313428
123b713529b0
131c117c8420
14dc1b3843a
157eb83425c
hex4c3bcdc14

20463803412 has 48 divisors (see below), whose sum is σ = 51691164672. Its totient is φ = 6263579520.

The previous prime is 20463803387. The next prime is 20463803441. The reversal of 20463803412 is 21430836402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313603 + ... + 373194.

It is an arithmetic number, because the mean of its divisors is an integer number (1076899264).

Almost surely, 220463803412 is an apocalyptic number.

It is an amenable number.

20463803412 is an abundant number, since it is smaller than the sum of its proper divisors (31227361260).

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

20463803412 is a wasteful number, since it uses less digits than its factorization.

20463803412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687008 (or 687006 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 20463803412 in words is "twenty billion, four hundred sixty-three million, eight hundred three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 191 382 573 764 1146 2292 2483 4966 7449 9932 14898 29796 686797 1373594 2060391 2747188 4120782 8241564 8928361 17856722 26785083 35713444 53570166 107140332 131178227 262356454 393534681 524712908 787069362 1574138724 1705316951 3410633902 5115950853 6821267804 10231901706 20463803412