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18833481842 = 2753142317837
BaseRepresentation
bin10001100010100100…
…000010000001110010
31210121112112000011112
4101202210002001302
5302032332404332
612352454513322
71234465645220
oct214244020162
953545460145
1018833481842
117a9501172a
123797365842
131a11b071c6
14ca93cdb10
15753645db2
hex462902072

18833481842 has 32 divisors (see below), whose sum is σ = 32920100352. Its totient is φ = 7913191104.

The previous prime is 18833481769. The next prime is 18833481881. The reversal of 18833481842 is 24818433881.

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 15 ways as a sum of consecutive naturals, for example, 1046948 + ... + 1064784.

It is an arithmetic number, because the mean of its divisors is an integer number (1028753136).

Almost surely, 218833481842 is an apocalyptic number.

18833481842 is a deficient number, since it is larger than the sum of its proper divisors (14086618510).

18833481842 is a wasteful number, since it uses less digits than its factorization.

18833481842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19322.

The product of its digits is 1179648, while the sum is 50.

The spelling of 18833481842 in words is "eighteen billion, eight hundred thirty-three million, four hundred eighty-one thousand, eight hundred forty-two".

Divisors: 1 2 7 14 53 106 371 742 1423 2846 9961 17837 19922 35674 75419 124859 150838 249718 527933 945361 1055866 1890722 6617527 13235054 25382051 50764102 177674357 355348714 1345248703 2690497406 9416740921 18833481842