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20047753912 = 233537099063
BaseRepresentation
bin10010101010111100…
…000111001010111000
31220202011101102022011
4102222330013022320
5312024211111122
613113152535304
71306542045064
oct225274071270
956664342264
1020047753912
11855848626a
123a75b51534
131b765578a4
14d82796aa4
157c5050377
hex4aaf072b8

20047753912 has 16 divisors (see below), whose sum is σ = 37696029840. Its totient is φ = 9995479296.

The previous prime is 20047753903. The next prime is 20047753927. The reversal of 20047753912 is 21935774002.

It is a super-2 number, since 2×200477539122 (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3546708 + ... + 3552355.

It is an arithmetic number, because the mean of its divisors is an integer number (2356001865).

Almost surely, 220047753912 is an apocalyptic number.

It is an amenable number.

20047753912 is a deficient number, since it is larger than the sum of its proper divisors (17648275928).

20047753912 is a wasteful number, since it uses less digits than its factorization.

20047753912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7099422 (or 7099418 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 20047753912 in words is "twenty billion, forty-seven million, seven hundred fifty-three thousand, nine hundred twelve".

Divisors: 1 2 4 8 353 706 1412 2824 7099063 14198126 28396252 56792504 2505969239 5011938478 10023876956 20047753912