Base | Representation |
---|---|
bin | 101111100010011011… |
… | …1000001011010000110 |
3 | 100202111121201020000221 |
4 | 1133010313001122012 |
5 | 3133033233141310 |
6 | 114521554454554 |
7 | 10242545142415 |
oct | 1370467013206 |
9 | 322447636027 |
10 | 102087005830 |
11 | 3a3274a9507 |
12 | 1795089445a |
13 | 981bccac34 |
14 | 4d262c747c |
15 | 29c7586ada |
hex | 17c4dc1686 |
102087005830 has 32 divisors (see below), whose sum is σ = 194604034464. Its totient is φ = 38425207296.
The previous prime is 102087005827. The next prime is 102087005857. The reversal of 102087005830 is 38500780201.
It is a Harshad number since it is a multiple of its sum of digits (34).
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, 850309 + ... + 962911.
It is an arithmetic number, because the mean of its divisors is an integer number (6081376077).
Almost surely, 2102087005830 is an apocalyptic number.
102087005830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102087005830 is a deficient number, since it is larger than the sum of its proper divisors (92517028634).
102087005830 is a wasteful number, since it uses less digits than its factorization.
102087005830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117960.
The product of its (nonzero) digits is 13440, while the sum is 34.
The spelling of 102087005830 in words is "one hundred two billion, eighty-seven million, five thousand, eight hundred thirty".
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