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12622161740 = 2251798935083
BaseRepresentation
bin10111100000101011…
…01110011101001100
31012120122211020210212
423300111232131030
5201322233133430
65444252421552
7624534414236
oct136025563514
935518736725
1012622161740
115397976a31
1225431778b8
13126201c776
1487a4d3256
154dd1b9b95
hex2f056e74c

12622161740 has 24 divisors (see below), whose sum is σ = 26508768720. Its totient is φ = 5048440128.

The previous prime is 12622161707. The next prime is 12622161781. The reversal of 12622161740 is 4716122621.

It is a junction number, because it is equal to n+sod(n) for n = 12622161697 and 12622161706.

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, 342239 + ... + 377321.

It is an arithmetic number, because the mean of its divisors is an integer number (1104532030).

Almost surely, 212622161740 is an apocalyptic number.

12622161740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12622161740 is an abundant number, since it is smaller than the sum of its proper divisors (13886606980).

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

12622161740 is a wasteful number, since it uses less digits than its factorization.

12622161740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53081 (or 53079 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 12622161740 in words is "twelve billion, six hundred twenty-two million, one hundred sixty-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 17989 35083 35978 70166 71956 89945 140332 175415 179890 350830 359780 701660 631108087 1262216174 2524432348 3155540435 6311080870 12622161740