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20301523132 = 22111197138543
BaseRepresentation
bin10010111010000100…
…001010100010111100
31221101211220020020011
4102322010022202330
5313034142220012
613154300033004
71316043046042
oct227204124274
957354806204
1020301523132
1186787538a0
123b26b32764
131bb6cb9aa7
14da8374392
157dc47b1a7
hex4ba10a8bc

20301523132 has 24 divisors (see below), whose sum is σ = 38761696512. Its totient is φ = 9226954800.

The previous prime is 20301523111. The next prime is 20301523139. The reversal of 20301523132 is 23132510302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301523139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507453 + ... + 545995.

It is an arithmetic number, because the mean of its divisors is an integer number (1615070688).

Almost surely, 220301523132 is an apocalyptic number.

20301523132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20301523132 is a deficient number, since it is larger than the sum of its proper divisors (18460173380).

20301523132 is a wasteful number, since it uses less digits than its factorization.

20301523132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50529 (or 50527 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The spelling of 20301523132 in words is "twenty billion, three hundred one million, five hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 11971 23942 38543 47884 77086 131681 154172 263362 423973 526724 847946 1695892 461398253 922796506 1845593012 5075380783 10150761566 20301523132