Base | Representation |
---|---|
bin | 101000110000101010… |
… | …1010000100110000110 |
3 | 22100221021111000021120 |
4 | 1101201111100212012 |
5 | 2413231232340440 |
6 | 104113425054410 |
7 | 6216063230526 |
oct | 1214125204606 |
9 | 270837430246 |
10 | 87532308870 |
11 | 34138785236 |
12 | 14b6a487406 |
13 | 833c7c5a06 |
14 | 434529b686 |
15 | 24248d3dd0 |
hex | 1461550986 |
87532308870 has 32 divisors (see below), whose sum is σ = 214963068672. Its totient is φ = 22799112672.
The previous prime is 87532308859. The next prime is 87532308911. The reversal of 87532308870 is 7880323578.
It is a super-2 number, since 2×875323088702 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
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, 33925962 + ... + 33928541.
It is an arithmetic number, because the mean of its divisors is an integer number (6717595896).
Almost surely, 287532308870 is an apocalyptic number.
87532308870 is an abundant number, since it is smaller than the sum of its proper divisors (127430759802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87532308870 is a wasteful number, since it uses less digits than its factorization.
87532308870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67854556.
The product of its (nonzero) digits is 2257920, while the sum is 51.
The spelling of 87532308870 in words is "eighty-seven billion, five hundred thirty-two million, three hundred eight thousand, eight hundred seventy".
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