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87106351056 = 2431814715647
BaseRepresentation
bin101000100011111110…
…0010110111111010000
322022211120222010000020
41101013330112333100
52411343211213211
6104003251223440
76202401524154
oct1210774267720
9268746863006
1087106351056
1133a3a29a88a
1214a6b8a7b80
1382a249627a
14430489b064
1523ec2e4306
hex1447f16fd0

87106351056 has 20 divisors (see below), whose sum is σ = 225024740352. Its totient is φ = 29035450336.

The previous prime is 87106351001. The next prime is 87106351061. The reversal of 87106351056 is 65015360178.

It is a super-2 number, since 2×871063510562 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87106350999 and 87106351017.

It is a congruent number.

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, 907357776 + ... + 907357871.

Almost surely, 287106351056 is an apocalyptic number.

It is an amenable number.

87106351056 is an abundant number, since it is smaller than the sum of its proper divisors (137918389296).

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

87106351056 is a wasteful number, since it uses less digits than its factorization.

87106351056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814715658 (or 1814715652 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 87106351056 in words is "eighty-seven billion, one hundred six million, three hundred fifty-one thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 1814715647 3629431294 5444146941 7258862588 10888293882 14517725176 21776587764 29035450352 43553175528 87106351056