Base | Representation |
---|---|
bin | 100001010010011011… |
… | …1011110011001000000 |
3 | 20211111221112202212012 |
4 | 1002210313132121000 |
5 | 2132400240420220 |
6 | 52501233552052 |
7 | 5110322401412 |
oct | 1024467363100 |
9 | 224457482765 |
10 | 71485482560 |
11 | 28353767108 |
12 | 11a30415628 |
13 | 6983125b0b |
14 | 366201a9b2 |
15 | 1cd5c3dac5 |
hex | 10a4dde640 |
71485482560 has 112 divisors (see below), whose sum is σ = 176243742000. Its totient is φ = 27584815104.
The previous prime is 71485482547. The next prime is 71485482643. The reversal of 71485482560 is 6528458417.
It can be written as a sum of positive squares in 8 ways, for example, as 307511296 + 71177971264 = 17536^2 + 266792^2 .
It is a super-2 number, since 2×714854825602 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 71485482499 and 71485482508.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14372234 + ... + 14377206.
Almost surely, 271485482560 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 71485482560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88121871000).
71485482560 is an abundant number, since it is smaller than the sum of its proper divisors (104758259440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71485482560 is a wasteful number, since it uses less digits than its factorization.
71485482560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6568 (or 6558 counting only the distinct ones).
The product of its (nonzero) digits is 2150400, while the sum is 50.
The spelling of 71485482560 in words is "seventy-one billion, four hundred eighty-five million, four hundred eighty-two thousand, five hundred sixty".
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