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1405371012 = 223117114251
BaseRepresentation
bin101001111000100…
…0100001010000100
310121221110020121020
41103301010022010
510334233333022
6351241551140
746553312403
oct12361041204
93557406536
101405371012
11661328051
123327a54b0
1319520c3a6
14d490d63a
15835a635c
hex53c44284

1405371012 has 12 divisors (see below), whose sum is σ = 3279199056. Its totient is φ = 468457000.

The previous prime is 1405371007. The next prime is 1405371049. The reversal of 1405371012 is 2101735041.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58557114 + ... + 58557137.

It is an arithmetic number, because the mean of its divisors is an integer number (273266588).

Almost surely, 21405371012 is an apocalyptic number.

1405371012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1405371012 is an abundant number, since it is smaller than the sum of its proper divisors (1873828044).

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

1405371012 is a wasteful number, since it uses less digits than its factorization.

1405371012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117114258 (or 117114256 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1405371012 is about 37488.2783280321. The cubic root of 1405371012 is about 1120.1177097799.

The spelling of 1405371012 in words is "one billion, four hundred five million, three hundred seventy-one thousand, twelve".

Divisors: 1 2 3 4 6 12 117114251 234228502 351342753 468457004 702685506 1405371012