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742143631848 = 23330922651327
BaseRepresentation
bin10101100110010110011…
…01010010000111101000
32121221121021011201022120
422303023031102013220
544124402232204343
61324534105351240
7104422003533603
oct12631315220750
92557537151276
10742143631848
11266817807003
12bb9ba498520
1354ca3675cc8
1427cc447933a
1514488d74683
hexaccb3521e8

742143631848 has 16 divisors (see below), whose sum is σ = 1855359079680. Its totient is φ = 247381210608.

The previous prime is 742143631819. The next prime is 742143631861. The reversal of 742143631848 is 848136341247.

It is a self number, because there is not a number n which added to its sum of digits gives 742143631848.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15461325640 + ... + 15461325687.

It is an arithmetic number, because the mean of its divisors is an integer number (115959942480).

Almost surely, 2742143631848 is an apocalyptic number.

It is an amenable number.

742143631848 is an abundant number, since it is smaller than the sum of its proper divisors (1113215447832).

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

742143631848 is a wasteful number, since it uses less digits than its factorization.

742143631848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30922651336 (or 30922651332 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The spelling of 742143631848 in words is "seven hundred forty-two billion, one hundred forty-three million, six hundred thirty-one thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 30922651327 61845302654 92767953981 123690605308 185535907962 247381210616 371071815924 742143631848