Base | Representation |
---|---|
bin | 110000010110011010… |
… | …1110101001000000000 |
3 | 100221000012022220212002 |
4 | 1200230311311020000 |
5 | 3200121332230330 |
6 | 115411033523132 |
7 | 10334020250642 |
oct | 1405465651000 |
9 | 327005286762 |
10 | 103831523840 |
11 | 40042208730 |
12 | 18158b734a8 |
13 | 9a39563605 |
14 | 504dc7a892 |
15 | 2a7a7d0e45 |
hex | 182cd75200 |
103831523840 has 160 divisors (see below), whose sum is σ = 283394111616. Its totient is φ = 36115087360.
The previous prime is 103831523827. The next prime is 103831523899. The reversal of 103831523840 is 48325138301.
It is a tau number, because it is divible by the number of its divisors (160).
It is a junction number, because it is equal to n+sod(n) for n = 103831523794 and 103831523803.
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, 567524 + ... + 727836.
Almost surely, 2103831523840 is an apocalyptic number.
103831523840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 103831523840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141697055808).
103831523840 is an abundant number, since it is smaller than the sum of its proper divisors (179562587776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103831523840 is a wasteful number, since it uses less digits than its factorization.
103831523840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160370 (or 160354 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 38.
The spelling of 103831523840 in words is "one hundred three billion, eight hundred thirty-one million, five hundred twenty-three thousand, eight hundred forty".
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