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20053769736 = 233711132336293
BaseRepresentation
bin10010101011010011…
…000011111000001000
31220202120201001110110
4102223103003320020
5312032231112421
613113525514320
71306644141660
oct225323037010
956676631413
1020053769736
118560915020
123a77b729a0
131b77882b50
14d834c11a0
157c583ca76
hex4ab4c3e08

20053769736 has 256 divisors, whose sum is σ = 70241955840. Its totient is φ = 4598922240.

The previous prime is 20053769719. The next prime is 20053769753. The reversal of 20053769736 is 63796735002.

It is an interprime number because it is at equal distance from previous prime (20053769719) and next prime (20053769753).

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, 534406 + ... + 570698.

It is an arithmetic number, because the mean of its divisors is an integer number (274382640).

Almost surely, 220053769736 is an apocalyptic number.

20053769736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20053769736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35120977920).

20053769736 is an abundant number, since it is smaller than the sum of its proper divisors (50188186104).

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

20053769736 is a wasteful number, since it uses less digits than its factorization.

20053769736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36356 (or 36352 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 48.

The spelling of 20053769736 in words is "twenty billion, fifty-three million, seven hundred sixty-nine thousand, seven hundred thirty-six".