Base | Representation |
---|---|
bin | 101111101100101011… |
… | …1101011111101000101 |
3 | 100210101121012200101000 |
4 | 1133121113223331011 |
5 | 3134234331104104 |
6 | 115020050123513 |
7 | 10254224044410 |
oct | 1373127537505 |
9 | 323347180330 |
10 | 102431113029 |
11 | 3a493769323 |
12 | 17a27b80599 |
13 | 987539cb6b |
14 | 4d59c9cb77 |
15 | 29e78a9639 |
hex | 17d95ebf45 |
102431113029 has 32 divisors (see below), whose sum is σ = 173457639680. Its totient is φ = 58522176000.
The previous prime is 102431113027. The next prime is 102431113067. The reversal of 102431113029 is 920311134201.
102431113029 is a `hidden beast` number, since 1 + 0 + 243 + 111 + 302 + 9 = 666.
It is not a de Polignac number, because 102431113029 - 21 = 102431113027 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 102431112993 and 102431113011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102431113027) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1159629 + ... + 1244829.
It is an arithmetic number, because the mean of its divisors is an integer number (5420551240).
Almost surely, 2102431113029 is an apocalyptic number.
It is an amenable number.
102431113029 is a deficient number, since it is larger than the sum of its proper divisors (71026526651).
102431113029 is an equidigital number, since it uses as much as digits as its factorization.
102431113029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91578 (or 91572 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The spelling of 102431113029 in words is "one hundred two billion, four hundred thirty-one million, one hundred thirteen thousand, twenty-nine".
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