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11312003130 = 235377066771
BaseRepresentation
bin10101000100011111…
…10111100000111010
31002012100112022001220
422202033313200322
5141131333100010
65110251252510
7550215303651
oct124217674072
932170468056
1011312003130
11488537041a
12223844a136
1310b376899c
147944ca198
1546316e970
hex2a23f783a

11312003130 has 16 divisors (see below), whose sum is σ = 27148807584. Its totient is φ = 3016534160.

The previous prime is 11312003069. The next prime is 11312003147. The reversal of 11312003130 is 3130021311.

It is a super-2 number, since 2×113120031302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 188533356 + ... + 188533415.

It is an arithmetic number, because the mean of its divisors is an integer number (1696800474).

Almost surely, 211312003130 is an apocalyptic number.

11312003130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312003130 is an abundant number, since it is smaller than the sum of its proper divisors (15836804454).

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

11312003130 is a wasteful number, since it uses less digits than its factorization.

11312003130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377066781.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11312003130 its reverse (3130021311), we get a palindrome (14442024441).

The spelling of 11312003130 in words is "eleven billion, three hundred twelve million, three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 377066771 754133542 1131200313 1885333855 2262400626 3770667710 5656001565 11312003130