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453457128712 = 23717894526243
BaseRepresentation
bin1101001100101000010…
…01101010110100001000
31121100110012120212122211
412212110021222310020
524412140011104322
6544152035554504
744522042666140
oct6462411526410
91540405525584
10453457128712
11165345800415
1273a71a5ba34
13339b76b6c53
1417d39ad1920
15bbdea2cb77
hex699426ad08

453457128712 has 32 divisors (see below), whose sum is σ = 972237211200. Its totient is φ = 194230096704.

The previous prime is 453457128679. The next prime is 453457128757. The reversal of 453457128712 is 217821754354.

It is a happy number.

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, 2162938 + ... + 2363305.

It is an arithmetic number, because the mean of its divisors is an integer number (30382412850).

Almost surely, 2453457128712 is an apocalyptic number.

It is an amenable number.

453457128712 is an abundant number, since it is smaller than the sum of its proper divisors (518780082488).

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

453457128712 is a wasteful number, since it uses less digits than its factorization.

453457128712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528045 (or 4528041 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 49.

It can be divided in two parts, 453457 and 128712, that added together give a square (582169 = 7632).

The spelling of 453457128712 in words is "four hundred fifty-three billion, four hundred fifty-seven million, one hundred twenty-eight thousand, seven hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 1789 3578 7156 12523 14312 25046 50092 100184 4526243 9052486 18104972 31683701 36209944 63367402 126734804 253469608 8097448727 16194897454 32389794908 56682141089 64779589816 113364282178 226728564356 453457128712