Search a number
-
+
87089495370 = 2352902983179
BaseRepresentation
bin101000100011011110…
…0000011110101001010
322022210102020202100120
41101012330003311022
52411324402322440
6104001450044110
76202105332213
oct1210674036512
9268712222316
1087089495370
1133a30827969
1214a66119636
13829bb440a7
14430255040a
1523eaab4dd0
hex1446f03d4a

87089495370 has 16 divisors (see below), whose sum is σ = 209014788960. Its totient is φ = 23223865424.

The previous prime is 87089495359. The next prime is 87089495417. The reversal of 87089495370 is 7359498078.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1451491560 + ... + 1451491619.

It is an arithmetic number, because the mean of its divisors is an integer number (13063424310).

Almost surely, 287089495370 is an apocalyptic number.

87089495370 is an abundant number, since it is smaller than the sum of its proper divisors (121925293590).

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

87089495370 is a wasteful number, since it uses less digits than its factorization.

87089495370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902983189.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 87089495370 in words is "eighty-seven billion, eighty-nine million, four hundred ninety-five thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 2902983179 5805966358 8708949537 14514915895 17417899074 29029831790 43544747685 87089495370