Base | Representation |
---|---|
bin | 101000100011111110… |
… | …0010110111111010000 |
3 | 22022211120222010000020 |
4 | 1101013330112333100 |
5 | 2411343211213211 |
6 | 104003251223440 |
7 | 6202401524154 |
oct | 1210774267720 |
9 | 268746863006 |
10 | 87106351056 |
11 | 33a3a29a88a |
12 | 14a6b8a7b80 |
13 | 82a249627a |
14 | 430489b064 |
15 | 23ec2e4306 |
hex | 1447f16fd0 |
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".
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