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194932449441 = 32171274068297
BaseRepresentation
bin1011010110001011100…
…0010010000010100001
3200122011011210102222200
42311202320102002201
511143210201340231
6225314542523413
720040415324062
oct2654270220241
9618134712880
10194932449441
1175741316494
1231942596569
13154c749b952
149613078569
15510d627be6
hex2d62e120a1

194932449441 has 12 divisors (see below), whose sum is σ = 298131981732. Its totient is φ = 122310556416.

The previous prime is 194932449421. The next prime is 194932449473. The reversal of 194932449441 is 144944239491.

It is a happy number.

194932449441 is a `hidden beast` number, since 1 + 9 + 4 + 93 + 24 + 494 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 80482853025 + 114449596416 = 283695^2 + 338304^2 .

It is not a de Polignac number, because 194932449441 - 25 = 194932449409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194932449421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 637033996 + ... + 637034301.

It is an arithmetic number, because the mean of its divisors is an integer number (24844331811).

Almost surely, 2194932449441 is an apocalyptic number.

It is an amenable number.

194932449441 is a deficient number, since it is larger than the sum of its proper divisors (103199532291).

194932449441 is a wasteful number, since it uses less digits than its factorization.

194932449441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274068320 (or 1274068317 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The spelling of 194932449441 in words is "one hundred ninety-four billion, nine hundred thirty-two million, four hundred forty-nine thousand, four hundred forty-one".

Divisors: 1 3 9 17 51 153 1274068297 3822204891 11466614673 21659161049 64977483147 194932449441