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2013131100 = 223526710437
BaseRepresentation
bin111011111111101…
…1111000101011100
312012022001122201010
41313333133011130
513110330143400
6531432215220
7100613221611
oct16777370534
95168048633
102013131100
119433a6212
1248223a510
132610c4146
14151516508
15bbb08450
hex77fdf15c

2013131100 has 36 divisors (see below), whose sum is σ = 5824660184. Its totient is φ = 536834880.

The previous prime is 2013131033. The next prime is 2013131117. The reversal of 2013131100 is 11313102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3354919 + ... + 3355518.

Almost surely, 22013131100 is an apocalyptic number.

2013131100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013131100 is an abundant number, since it is smaller than the sum of its proper divisors (3811529084).

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

2013131100 is a wasteful number, since it uses less digits than its factorization.

2013131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710454 (or 6710447 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2013131100 is about 44867.9295265560. The cubic root of 2013131100 is about 1262.6723955021.

Adding to 2013131100 its reverse (11313102), we get a palindrome (2024444202).

The spelling of 2013131100 in words is "two billion, thirteen million, one hundred thirty-one thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 6710437 13420874 20131311 26841748 33552185 40262622 67104370 80525244 100656555 134208740 167760925 201313110 335521850 402626220 503282775 671043700 1006565550 2013131100