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11311112202 = 2313211154943
BaseRepresentation
bin10101000100011000…
…11110000000001010
31002012021212000221120
422202030132000022
5141131121042302
65110220220110
7550204603335
oct124214360012
932167760846
1011311112202
114884912015
12223809a636
1310b3516300
1479433761c
154630459bc
hex2a231e00a

11311112202 has 24 divisors (see below), whose sum is σ = 24496257024. Its totient is φ = 3480341904.

The previous prime is 11311112173. The next prime is 11311112221. The reversal of 11311112202 is 20221111311.

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, 5576458 + ... + 5578485.

It is an arithmetic number, because the mean of its divisors is an integer number (1020677376).

Almost surely, 211311112202 is an apocalyptic number.

11311112202 is an abundant number, since it is smaller than the sum of its proper divisors (13185144822).

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

11311112202 is a wasteful number, since it uses less digits than its factorization.

11311112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154974 (or 11154961 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11311112202 its reverse (20221111311), we get a palindrome (31532223513).

The spelling of 11311112202 in words is "eleven billion, three hundred eleven million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 11154943 22309886 33464829 66929658 145014259 290028518 435042777 870085554 1885185367 3770370734 5655556101 11311112202