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194940712107 = 321631291102931
BaseRepresentation
bin1011010110001101011…
…1110011010010101011
3200122011202100020020100
42311203113303102223
511143214310241412
6225315440000443
720040545466351
oct2654327632253
9618152306210
10194940712107
1175745a4a339
1231945300123
13154c91027bb
1496141c97d1
15510e20aedc
hex2d635f34ab

194940712107 has 24 divisors (see below), whose sum is σ = 283530723008. Its totient is φ = 129061868400.

The previous prime is 194940712069. The next prime is 194940712117. The reversal of 194940712107 is 701217049491.

It is not a de Polignac number, because 194940712107 - 220 = 194939663531 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194940712117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1842432 + ... + 1945362.

Almost surely, 2194940712107 is an apocalyptic number.

194940712107 is a deficient number, since it is larger than the sum of its proper divisors (88590010901).

194940712107 is a wasteful number, since it uses less digits than its factorization.

194940712107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104391 (or 104388 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 194940712107 in words is "one hundred ninety-four billion, nine hundred forty million, seven hundred twelve thousand, one hundred seven".

Divisors: 1 3 9 163 489 1291 1467 3873 11619 102931 210433 308793 631299 926379 1893897 16777753 50333259 132883921 150999777 398651763 1195955289 21660079123 64980237369 194940712107