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20301523124 = 226151825131
BaseRepresentation
bin10010111010000100…
…001010100010110100
31221101211220020012212
4102322010022202310
5313034142214444
613154300032552
71316043046031
oct227204124264
957354806185
1020301523124
118678753893
123b26b32758
131bb6cb9a9c
14da8374388
157dc47b19e
hex4ba10a8b4

20301523124 has 12 divisors (see below), whose sum is σ = 35533484448. Its totient is φ = 10149099000.

The previous prime is 20301523111. The next prime is 20301523139. The reversal of 20301523124 is 42132510302.

It is a self number, because there is not a number n which added to its sum of digits gives 20301523124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387962 + ... + 437169.

It is an arithmetic number, because the mean of its divisors is an integer number (2961123704).

Almost surely, 220301523124 is an apocalyptic number.

It is an amenable number.

20301523124 is a deficient number, since it is larger than the sum of its proper divisors (15231961324).

20301523124 is a wasteful number, since it uses less digits than its factorization.

20301523124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831286 (or 831284 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 20301523124 in words is "twenty billion, three hundred one million, five hundred twenty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 6151 12302 24604 825131 1650262 3300524 5075380781 10150761562 20301523124