Base | Representation |
---|---|
bin | 101000101111101100… |
… | …0001111000101111100 |
3 | 22100211222210220121000 |
4 | 1101133120033011330 |
5 | 2413144340102331 |
6 | 104110254410300 |
7 | 6215214526206 |
oct | 1213730170574 |
9 | 270758726530 |
10 | 87499534716 |
11 | 3412122a560 |
12 | 14b5b500990 |
13 | 8335a8c119 |
14 | 4340ba9776 |
15 | 2421aad0e6 |
hex | 145f60f17c |
87499534716 has 192 divisors, whose sum is σ = 260896849920. Its totient is φ = 25113240000.
The previous prime is 87499534709. The next prime is 87499534721. The reversal of 87499534716 is 61743599478.
87499534716 is a `hidden beast` number, since 8 + 7 + 4 + 99 + 534 + 7 + 1 + 6 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1705641 + ... + 1756191.
It is an arithmetic number, because the mean of its divisors is an integer number (1358837760).
Almost surely, 287499534716 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87499534716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130448424960).
87499534716 is an abundant number, since it is smaller than the sum of its proper divisors (173397315204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87499534716 is a wasteful number, since it uses less digits than its factorization.
87499534716 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50653 (or 50645 counting only the distinct ones).
The product of its digits is 45722880, while the sum is 63.
The spelling of 87499534716 in words is "eighty-seven billion, four hundred ninety-nine million, five hundred thirty-four thousand, seven hundred sixteen".
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