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13119768860 = 22511149400237
BaseRepresentation
bin11000011011111111…
…11100100100011100
31020212100011022110012
430031333330210130
5203332130100420
610005510102352
7643056123662
oct141577744434
936770138405
1013119768860
115622849590
12266194a9b8
131311147653
148c6624c32
1551bc0ddc5
hex30dffc91c

13119768860 has 48 divisors (see below), whose sum is σ = 30257992800. Its totient is φ = 4738794240.

The previous prime is 13119768821. The next prime is 13119768911. The reversal of 13119768860 is 6886791131.

It is a junction number, because it is equal to n+sod(n) for n = 13119768799 and 13119768808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167339 + ... + 232898.

It is an arithmetic number, because the mean of its divisors is an integer number (630374850).

Almost surely, 213119768860 is an apocalyptic number.

13119768860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13119768860 is an abundant number, since it is smaller than the sum of its proper divisors (17138223940).

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

13119768860 is a wasteful number, since it uses less digits than its factorization.

13119768860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400406 (or 400404 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 13119768860 in words is "thirteen billion, one hundred nineteen million, seven hundred sixty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 149 220 298 596 745 1490 1639 2980 3278 6556 8195 16390 32780 400237 800474 1600948 2001185 4002370 4402607 8004740 8805214 17610428 22013035 44026070 59635313 88052140 119270626 238541252 298176565 596353130 655988443 1192706260 1311976886 2623953772 3279942215 6559884430 13119768860