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1275755012 = 22745562679
BaseRepresentation
bin100110000001010…
…0111101000000100
310021220120001212122
41030002213220010
510103043130022
6330331505112
743420511240
oct11402475004
93256501778
101275755012
115a5148694
122b72b8198
131743c962c
14c160d420
1577001742
hex4c0a7a04

1275755012 has 12 divisors (see below), whose sum is σ = 2551510080. Its totient is φ = 546752136.

The previous prime is 1275755009. The next prime is 1275755023. The reversal of 1275755012 is 2105575721.

1275755012 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22781312 + ... + 22781367.

It is an arithmetic number, because the mean of its divisors is an integer number (212625840).

Almost surely, 21275755012 is an apocalyptic number.

It is an amenable number.

1275755012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1275755012 is a wasteful number, since it uses less digits than its factorization.

1275755012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45562690 (or 45562688 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 35.

The square root of 1275755012 is about 35717.7128607082. The cubic root of 1275755012 is about 1084.5654391748.

The spelling of 1275755012 in words is "one billion, two hundred seventy-five million, seven hundred fifty-five thousand, twelve".

Divisors: 1 2 4 7 14 28 45562679 91125358 182250716 318938753 637877506 1275755012