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83872801642 = 275990914403
BaseRepresentation
bin100111000011100110…
…1010110001101101010
322000111020110210002211
41032013031112031222
52333232414123032
6102310341115334
76026306023330
oct1160715261552
9260436423084
1083872801642
11326300122a3
12143089b8b4a
137ba85ac016
1440b925bb50
1522ad4ba747
hex138735636a

83872801642 has 8 divisors (see below), whose sum is σ = 143781945696. Its totient is φ = 35945486412.

The previous prime is 83872801591. The next prime is 83872801651. The reversal of 83872801642 is 24610827838.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2995457188 + ... + 2995457215.

It is an arithmetic number, because the mean of its divisors is an integer number (17972743212).

Almost surely, 283872801642 is an apocalyptic number.

83872801642 is a deficient number, since it is larger than the sum of its proper divisors (59909144054).

83872801642 is a wasteful number, since it uses less digits than its factorization.

83872801642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990914412.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 83872801642 in words is "eighty-three billion, eight hundred seventy-two million, eight hundred one thousand, six hundred forty-two".

Divisors: 1 2 7 14 5990914403 11981828806 41936400821 83872801642