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20013000310 = 253425358427
BaseRepresentation
bin10010101000110111…
…100010011001110110
31220122201222202022201
4102220313202121312
5311441312002220
613105512015114
71305640460452
oct225067423166
956581882281
1020013000310
11853a8a9386
123a6639149a
131b6c2aa024
14d7bd0b662
157c1e87d0a
hex4a8de2676

20013000310 has 16 divisors (see below), whose sum is σ = 36025068816. Its totient is φ = 8004829408.

The previous prime is 20013000247. The next prime is 20013000323. The reversal of 20013000310 is 1300031002.

It is a super-2 number, since 2×200130003102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 313317 + ... + 371743.

It is an arithmetic number, because the mean of its divisors is an integer number (2251566801).

Almost surely, 220013000310 is an apocalyptic number.

20013000310 is a deficient number, since it is larger than the sum of its proper divisors (16012068506).

20013000310 is a wasteful number, since it uses less digits than its factorization.

20013000310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92687.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 20013000310 its reverse (1300031002), we get a palindrome (21313031312).

The spelling of 20013000310 in words is "twenty billion, thirteen million, three hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 34253 58427 68506 116854 171265 292135 342530 584270 2001300031 4002600062 10006500155 20013000310