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18752082274 = 270113375237
BaseRepresentation
bin10001011101101101…
…100001000101100010
31210101212100110221201
4101131231201011202
5301401013113044
612340430111414
71232460032542
oct213555410542
953355313851
1018752082274
117a53074a62
12377404b56a
1319caca6a93
14c9c681322
1574b4177d4
hex45db61162

18752082274 has 8 divisors (see below), whose sum is σ = 28168251228. Its totient is φ = 9362665200.

The previous prime is 18752082233. The next prime is 18752082289. The reversal of 18752082274 is 47228025781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18743526649 + 8555625 = 136907^2 + 2925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×187520822742 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6686217 + ... + 6689020.

Almost surely, 218752082274 is an apocalyptic number.

18752082274 is a deficient number, since it is larger than the sum of its proper divisors (9416168954).

18752082274 is a wasteful number, since it uses less digits than its factorization.

18752082274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13375940.

The product of its (nonzero) digits is 501760, while the sum is 46.

The spelling of 18752082274 in words is "eighteen billion, seven hundred fifty-two million, eighty-two thousand, two hundred seventy-four".

Divisors: 1 2 701 1402 13375237 26750474 9376041137 18752082274