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87234933995 = 5111586089709
BaseRepresentation
bin101000100111110011…
…0110111010011101011
322100011112220210122022
41101033212313103223
52412124120341440
6104024123215055
76205522463426
oct1211746672353
9270145823568
1087234933995
1133aa5934080
1214aa697748b
1382c3006a51
1443179ac9bd
152408742cb5
hex144f9b74eb

87234933995 has 8 divisors (see below), whose sum is σ = 114198459120. Its totient is φ = 63443588320.

The previous prime is 87234933979. The next prime is 87234934001. The reversal of 87234933995 is 59933943278.

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

It is not a de Polignac number, because 87234933995 - 24 = 87234933979 is a prime.

It is a super-2 number, since 2×872349339952 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793044800 + ... + 793044909.

It is an arithmetic number, because the mean of its divisors is an integer number (14274807390).

Almost surely, 287234933995 is an apocalyptic number.

87234933995 is a deficient number, since it is larger than the sum of its proper divisors (26963525125).

87234933995 is a wasteful number, since it uses less digits than its factorization.

87234933995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586089725.

The product of its digits is 44089920, while the sum is 62.

The spelling of 87234933995 in words is "eighty-seven billion, two hundred thirty-four million, nine hundred thirty-three thousand, nine hundred ninety-five".

Divisors: 1 5 11 55 1586089709 7930448545 17446986799 87234933995