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12955064670 = 2345113141539
BaseRepresentation
bin11000001000010111…
…01001100101011110
31020102212020110210000
430010023221211132
5203012444032140
65541303555130
7636016142562
oct140413514536
936385213700
1012955064670
115548883919
12261675baa6
1312b5c9a952
148ac7cd6a2
1550c527a30
hex3042e995e

12955064670 has 80 divisors (see below), whose sum is σ = 35143249680. Its totient is φ = 3424087296.

The previous prime is 12955064657. The next prime is 12955064687. The reversal of 12955064670 is 7646055921.

12955064670 is a `hidden beast` number, since 1 + 29 + 550 + 6 + 4 + 6 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20761 + ... + 162299.

It is an arithmetic number, because the mean of its divisors is an integer number (439290621).

Almost surely, 212955064670 is an apocalyptic number.

12955064670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12955064670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17571624840).

12955064670 is an abundant number, since it is smaller than the sum of its proper divisors (22188185010).

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

12955064670 is a wasteful number, since it uses less digits than its factorization.

12955064670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141671 (or 141662 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 12955064670 in words is "twelve billion, nine hundred fifty-five million, sixty-four thousand, six hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 113 135 162 226 270 339 405 565 678 810 1017 1130 1695 2034 3051 3390 5085 6102 9153 10170 15255 18306 30510 45765 91530 141539 283078 424617 707695 849234 1273851 1415390 2123085 2547702 3821553 4246170 6369255 7643106 11464659 12738510 15993907 19107765 22929318 31987814 38215530 47981721 57323295 79969535 95963442 114646590 143945163 159939070 239908605 287890326 431835489 479817210 719725815 863670978 1295506467 1439451630 2159177445 2591012934 4318354890 6477532335 12955064670