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18925755500875 = 53617245390671
BaseRepresentation
bin1000100110110011111101…
…11011110000100101001011
32111000021200102220202002211
410103121332323300211023
54440034421402012000
6104130212210205551
73662224602315106
oct423317673604513
974007612822084
1018925755500875
116037405650063
122157b312838b7
13a738ca414512
1449602360173d
1522c48058e7ba
hex11367eef094b

18925755500875 has 16 divisors (see below), whose sum is σ = 23657623906176. Its totient is φ = 15116065272000.

The previous prime is 18925755500803. The next prime is 18925755500903. The reversal of 18925755500875 is 57800555752981.

It is not a de Polignac number, because 18925755500875 - 211 = 18925755498827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18925755500875.

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, 122618211 + ... + 122772460.

It is an arithmetic number, because the mean of its divisors is an integer number (1478601494136).

Almost surely, 218925755500875 is an apocalyptic number.

18925755500875 is a deficient number, since it is larger than the sum of its proper divisors (4731868405301).

18925755500875 is an equidigital number, since it uses as much as digits as its factorization.

18925755500875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245391303 (or 245391293 counting only the distinct ones).

The product of its (nonzero) digits is 176400000, while the sum is 67.

The spelling of 18925755500875 in words is "eighteen trillion, nine hundred twenty-five billion, seven hundred fifty-five million, five hundred thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 617 3085 15425 77125 245390671 1226953355 6134766775 30673833875 151406044007 757030220035 3785151100175 18925755500875