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20053305264 = 2431724575129
BaseRepresentation
bin10010101011010001…
…010010011110110000
31220202112211110022210
4102223101102132300
5312032121232024
613113511532120
71306640165556
oct225321223660
956675743283
1020053305264
118560628063
123a7798a040
131b7774c605
14d833ddbd6
157c579a129
hex4ab4527b0

20053305264 has 40 divisors (see below), whose sum is σ = 54851690160. Its totient is φ = 6291232768.

The previous prime is 20053305227. The next prime is 20053305289. The reversal of 20053305264 is 46250335002.

It is a super-2 number, since 2×200533052642 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12286749 + ... + 12288380.

It is an arithmetic number, because the mean of its divisors is an integer number (1371292254).

Almost surely, 220053305264 is an apocalyptic number.

20053305264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20053305264 is an abundant number, since it is smaller than the sum of its proper divisors (34798384896).

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

20053305264 is a wasteful number, since it uses less digits than its factorization.

20053305264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24575157 (or 24575151 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 20053305264 in words is "twenty billion, fifty-three million, three hundred five thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 24575129 49150258 73725387 98300516 147450774 196601032 294901548 393202064 417777193 589803096 835554386 1179606192 1253331579 1671108772 2506663158 3342217544 5013326316 6684435088 10026652632 20053305264