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13122414380 = 225941697259
BaseRepresentation
bin11000011100010100…
…00010011100101100
31020212112010201102102
430032022002130230
5203333314230010
610010042514232
7643120452605
oct141612023454
936775121372
1013122414380
115624296169
122662805978
13131186284a
148c6b12dac
1551c082ba5
hex30e28272c

13122414380 has 24 divisors (see below), whose sum is σ = 27586394640. Its totient is φ = 5243380160.

The previous prime is 13122414379. The next prime is 13122414443. The reversal of 13122414380 is 8341422131.

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, 329810 + ... + 367449.

It is an arithmetic number, because the mean of its divisors is an integer number (1149433110).

Almost surely, 213122414380 is an apocalyptic number.

13122414380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13122414380 is an abundant number, since it is smaller than the sum of its proper divisors (14463980260).

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

13122414380 is a wasteful number, since it uses less digits than its factorization.

13122414380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698209 (or 698207 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 13122414380 in words is "thirteen billion, one hundred twenty-two million, four hundred fourteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 941 1882 3764 4705 9410 18820 697259 1394518 2789036 3486295 6972590 13945180 656120719 1312241438 2624482876 3280603595 6561207190 13122414380