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12402445870 = 253379413911
BaseRepresentation
bin10111000110011111…
…00100111000101110
31012000100101112022001
423203033210320232
5200400011231440
65410403242514
7616226023213
oct134317447056
935010345261
1012402445870
115294948171
1224a167943a
131228651489
1485925bb0a
154c8c68b9a
hex2e33e4e2e

12402445870 has 32 divisors (see below), whose sum is σ = 22420172736. Its totient is φ = 4939737600.

The previous prime is 12402445849. The next prime is 12402445901. The reversal of 12402445870 is 7854420421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3169215 + ... + 3173125.

It is an arithmetic number, because the mean of its divisors is an integer number (700630398).

Almost surely, 212402445870 is an apocalyptic number.

12402445870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12402445870 is a deficient number, since it is larger than the sum of its proper divisors (10017726866).

12402445870 is a wasteful number, since it uses less digits than its factorization.

12402445870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196.

The product of its (nonzero) digits is 71680, while the sum is 37.

The spelling of 12402445870 in words is "twelve billion, four hundred two million, four hundred forty-five thousand, eight hundred seventy".

Divisors: 1 2 5 10 337 674 941 1685 1882 3370 3911 4705 7822 9410 19555 39110 317117 634234 1318007 1585585 2636014 3171170 3680251 6590035 7360502 13180070 18401255 36802510 1240244587 2480489174 6201222935 12402445870