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12346802480 = 245463333337
BaseRepresentation
bin10110111111110110…
…10100000100110000
31011212110200112220202
423133323110010300
5200241240134410
65401054454332
7614652042455
oct133773240460
934773615822
1012346802480
1152664a24a1
122486b043a8
131219c6b4ac
14851ad582c
154c3e26ca5
hex2dfed4130

12346802480 has 40 divisors (see below), whose sum is σ = 28768402752. Its totient is φ = 4928039424.

The previous prime is 12346802473. The next prime is 12346802491. The reversal of 12346802480 is 8420864321.

It is a tau number, because it is divible by the number of its divisors (40).

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, 129629 + ... + 203708.

Almost surely, 212346802480 is an apocalyptic number.

12346802480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12346802480 is an abundant number, since it is smaller than the sum of its proper divisors (16421600272).

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

12346802480 is a wasteful number, since it uses less digits than its factorization.

12346802480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333813 (or 333807 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 12346802480 in words is "twelve billion, three hundred forty-six million, eight hundred two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 463 926 1852 2315 3704 4630 7408 9260 18520 37040 333337 666674 1333348 1666685 2666696 3333370 5333392 6666740 13333480 26666960 154335031 308670062 617340124 771675155 1234680248 1543350310 2469360496 3086700620 6173401240 12346802480