Base | Representation |
---|---|
bin | 101111110000011000… |
… | …0011001010100101110 |
3 | 100210201020101100122012 |
4 | 1133200300121110232 |
5 | 3140013041441310 |
6 | 115040234121222 |
7 | 10260260243660 |
oct | 1374060312456 |
9 | 323636340565 |
10 | 102555030830 |
11 | 3a54770662a |
12 | 17a61580212 |
13 | 9894c690c5 |
14 | 4d6c518530 |
15 | 2a036d5c05 |
hex | 17e0c1952e |
102555030830 has 64 divisors (see below), whose sum is σ = 217328666112. Its totient is φ = 34107765120.
The previous prime is 102555030821. The next prime is 102555030847. The reversal of 102555030830 is 38030555201.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 797477 + ... + 917103.
It is an arithmetic number, because the mean of its divisors is an integer number (3395760408).
Almost surely, 2102555030830 is an apocalyptic number.
102555030830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102555030830 is an abundant number, since it is smaller than the sum of its proper divisors (114773635282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102555030830 is a wasteful number, since it uses less digits than its factorization.
102555030830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120009.
The product of its (nonzero) digits is 18000, while the sum is 32.
The spelling of 102555030830 in words is "one hundred two billion, five hundred fifty-five million, thirty thousand, eight hundred thirty".
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