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12312100304 = 247109929467
BaseRepresentation
bin10110111011101101…
…11011110111010000
31011210001101111110222
423131312323313100
5200203344202204
65353415012212
7614051061110
oct133566736720
934701344428
1012312100304
115248950209
12247736a068
131212a0b16a
1484b261040
154c0d6eabe
hex2dddbbdd0

12312100304 has 20 divisors (see below), whose sum is σ = 27262508064. Its totient is φ = 5276614368.

The previous prime is 12312100277. The next prime is 12312100321. The reversal of 12312100304 is 40300121321.

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, 54964622 + ... + 54964845.

Almost surely, 212312100304 is an apocalyptic number.

12312100304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12312100304 is an abundant number, since it is smaller than the sum of its proper divisors (14950407760).

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

12312100304 is a wasteful number, since it uses less digits than its factorization.

12312100304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109929482 (or 109929476 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12312100304 its reverse (40300121321), we get a palindrome (52612221625).

The spelling of 12312100304 in words is "twelve billion, three hundred twelve million, one hundred thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 112 109929467 219858934 439717868 769506269 879435736 1539012538 1758871472 3078025076 6156050152 12312100304