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87138348034 = 2433100621649
BaseRepresentation
bin101000100100111011…
…0011010110000000010
322022220211011201121111
41101021312122300002
52411424404114114
6104010353113534
76203240510623
oct1211166326002
9268824151544
1087138348034
1133a56364671
1214a7a5588aa
1382a8cba1aa
144308c29a4a
152400014bc4
hex1449d9ac02

87138348034 has 8 divisors (see below), whose sum is σ = 131009388300. Its totient is φ = 43468551936.

The previous prime is 87138348023. The next prime is 87138348041. The reversal of 87138348034 is 43084383178.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63278911809 + 23859436225 = 251553^2 + 154465^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50309959 + ... + 50311690.

Almost surely, 287138348034 is an apocalyptic number.

87138348034 is a deficient number, since it is larger than the sum of its proper divisors (43871040266).

87138348034 is a wasteful number, since it uses less digits than its factorization.

87138348034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100622084.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 87138348034 in words is "eighty-seven billion, one hundred thirty-eight million, three hundred forty-eight thousand, thirty-four".

Divisors: 1 2 433 866 100621649 201243298 43569174017 87138348034