Search a number
-
+
18775023322 = 2112272928429
BaseRepresentation
bin10001011111000101…
…000001111011011010
31210110110112000011011
4101133011001323122
5301422401221242
612343005524134
71233156031216
oct213705017332
953413460134
1018775023322
117a65013a00
12377b87364a
131a02979a73
14ca1733946
1574d449d17
hex45f141eda

18775023322 has 24 divisors (see below), whose sum is σ = 30967946100. Its totient is φ = 8530674240.

The previous prime is 18775023271. The next prime is 18775023341. The reversal of 18775023322 is 22332057781.

It can be written as a sum of positive squares in 2 ways, for example, as 17918231881 + 856791441 = 133859^2 + 29271^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646204 + ... + 674632.

Almost surely, 218775023322 is an apocalyptic number.

18775023322 is a deficient number, since it is larger than the sum of its proper divisors (12192922778).

18775023322 is a wasteful number, since it uses less digits than its factorization.

18775023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31182 (or 31171 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 18775023322 in words is "eighteen billion, seven hundred seventy-five million, twenty-three thousand, three hundred twenty-two".

Divisors: 1 2 11 22 121 242 2729 5458 28429 30019 56858 60038 312719 330209 625438 660418 3439909 6879818 77582741 155165482 853410151 1706820302 9387511661 18775023322