Search a number
-
+
27442765144 = 2321397160319
BaseRepresentation
bin11001100011101101…
…110101110101011000
32121211112101220122001
4121203231311311120
5422200321441034
620335041410344
71661025440434
oct314355656530
977745356561
1027442765144
11107027a86a3
12539a6399b4
132784646492
1414849799c4
15aa9394a14
hex663b75d58

27442765144 has 16 divisors (see below), whose sum is σ = 51457910400. Its totient is φ = 13720655712.

The previous prime is 27442765099. The next prime is 27442765171. The reversal of 27442765144 is 44156724472.

It is a junction number, because it is equal to n+sod(n) for n = 27442765094 and 27442765103.

It is a congruent number.

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, 91017 + ... + 251335.

It is an arithmetic number, because the mean of its divisors is an integer number (3216119400).

Almost surely, 227442765144 is an apocalyptic number.

It is an amenable number.

27442765144 is a deficient number, since it is larger than the sum of its proper divisors (24015145256).

27442765144 is a wasteful number, since it uses less digits than its factorization.

27442765144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181722 (or 181718 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 46.

The spelling of 27442765144 in words is "twenty-seven billion, four hundred forty-two million, seven hundred sixty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 21397 42794 85588 160319 171176 320638 641276 1282552 3430345643 6860691286 13721382572 27442765144