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87494806682 = 21811031234431
BaseRepresentation
bin101000101111100011…
…0001100110010011010
322100211122220200221122
41101133012030302122
52413142132303212
6104110005205242
76215126404643
oct1213706146232
9270748820848
1087494806682
11341195a0298
1214b59a00822
138334ac507a
1443402d86ca
152421477272
hex145f18cc9a

87494806682 has 16 divisors (see below), whose sum is σ = 132095867904. Its totient is φ = 43463322000.

The previous prime is 87494806649. The next prime is 87494806703. The reversal of 87494806682 is 28660849478.

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, 256007 + ... + 490437.

It is an arithmetic number, because the mean of its divisors is an integer number (8255991744).

Almost surely, 287494806682 is an apocalyptic number.

87494806682 is a deficient number, since it is larger than the sum of its proper divisors (44601061222).

87494806682 is a wasteful number, since it uses less digits than its factorization.

87494806682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235645.

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 87494806682 in words is "eighty-seven billion, four hundred ninety-four million, eight hundred six thousand, six hundred eighty-two".

Divisors: 1 2 181 362 1031 2062 186611 234431 373222 468862 42432011 84864022 241698361 483396722 43747403341 87494806682