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140446140044 = 2272716561939
BaseRepresentation
bin1000001011001100111…
…1100000011010001100
3111102111221012010211112
42002303033200122030
54300113202440134
6144304200111152
713101246331100
oct2026317403214
9442457163745
10140446140044
1154621203821
12232771654b8
1310323139aa2
146b249a3900
1539bee9b1ce
hex20b33e068c

140446140044 has 18 divisors (see below), whose sum is σ = 285908214060. Its totient is φ = 60191202792.

The previous prime is 140446140017. The next prime is 140446140053. The reversal of 140446140044 is 440041644041.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358280774 + ... + 358281165.

It is an arithmetic number, because the mean of its divisors is an integer number (15883789670).

Almost surely, 2140446140044 is an apocalyptic number.

140446140044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140446140044 is an abundant number, since it is smaller than the sum of its proper divisors (145462074016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140446140044 is a wasteful number, since it uses less digits than its factorization.

140446140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716561957 (or 716561948 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 140446140044 its reverse (440041644041), we get a palindrome (580487784085).

The spelling of 140446140044 in words is "one hundred forty billion, four hundred forty-six million, one hundred forty thousand, forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 716561939 1433123878 2866247756 5015933573 10031867146 20063734292 35111535011 70223070022 140446140044