Base | Representation |
---|---|
bin | 101000110100111100… |
… | …0101110010110000110 |
3 | 22101022021112022100000 |
4 | 1101221320232112012 |
5 | 2414030002322434 |
6 | 104135553102130 |
7 | 6222455126520 |
oct | 1215170562606 |
9 | 271267468300 |
10 | 87675823494 |
11 | 34201797966 |
12 | 14baa557946 |
13 | 83634639cc |
14 | 435a378a10 |
15 | 24322d1b99 |
hex | 1469e2e586 |
87675823494 has 384 divisors, whose sum is σ = 254603381760. Its totient is φ = 22009688064.
The previous prime is 87675823489. The next prime is 87675823507. The reversal of 87675823494 is 49432857678.
87675823494 is a `hidden beast` number, since 8 + 7 + 6 + 7 + 582 + 3 + 49 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 80215212 + ... + 80216304.
It is an arithmetic number, because the mean of its divisors is an integer number (663029640).
Almost surely, 287675823494 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87675823494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127301690880).
87675823494 is an abundant number, since it is smaller than the sum of its proper divisors (166927558266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87675823494 is a wasteful number, since it uses less digits than its factorization.
87675823494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1226 (or 1214 counting only the distinct ones).
The product of its digits is 81285120, while the sum is 63.
The spelling of 87675823494 in words is "eighty-seven billion, six hundred seventy-five million, eight hundred twenty-three thousand, four hundred ninety-four".
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