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27445854472 = 233430731809
BaseRepresentation
bin11001100011111001…
…101000000100001000
32121211202012212101121
4121203321220010020
5422202114320342
620335231525024
71661063625301
oct314371500410
977752185347
1027445854472
1110704518763
12539b689774
13278518869a
1414851417a8
15aa97a5067
hex663e68108

27445854472 has 8 divisors (see below), whose sum is σ = 51460977150. Its totient is φ = 13722927232.

The previous prime is 27445854467. The next prime is 27445854503.

27445854472 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 22423864516 + 5021989956 = 149746^2 + 70866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715365897 + ... + 1715365912.

Almost surely, 227445854472 is an apocalyptic number.

It is an amenable number.

27445854472 is a deficient number, since it is larger than the sum of its proper divisors (24015122678).

27445854472 is a wasteful number, since it uses less digits than its factorization.

27445854472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430731815 (or 3430731811 counting only the distinct ones).

The product of its digits is 10035200, while the sum is 52.

The spelling of 27445854472 in words is "twenty-seven billion, four hundred forty-five million, eight hundred fifty-four thousand, four hundred seventy-two".

Divisors: 1 2 4 8 3430731809 6861463618 13722927236 27445854472