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87988026082 = 21131129014701
BaseRepresentation
bin101000111110001111…
…1101011101011100010
322102010000222211202211
41101330133223223202
52420144413313312
6104230544432334
76233265611245
oct1217437535342
9272100884684
1087988026082
1134351a46330
12150770186aa
1383b3044a78
144389a0725c
15244e9013a7
hex147c7ebae2

87988026082 has 16 divisors (see below), whose sum is σ = 148624936704. Its totient is φ = 38704410000.

The previous prime is 87988026047. The next prime is 87988026101. The reversal of 87988026082 is 28062088978.

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, 64506669 + ... + 64508032.

It is an arithmetic number, because the mean of its divisors is an integer number (9289058544).

Almost surely, 287988026082 is an apocalyptic number.

87988026082 is a deficient number, since it is larger than the sum of its proper divisors (60636910622).

87988026082 is a wasteful number, since it uses less digits than its factorization.

87988026082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129014745.

The product of its (nonzero) digits is 6193152, while the sum is 58.

The spelling of 87988026082 in words is "eighty-seven billion, nine hundred eighty-eight million, twenty-six thousand, eighty-two".

Divisors: 1 2 11 22 31 62 341 682 129014701 258029402 1419161711 2838323422 3999455731 7998911462 43994013041 87988026082