Base | Representation |
---|---|
bin | 110000010110011010… |
… | …1011000011110101111 |
3 | 100221000012002221220120 |
4 | 1200230311120132233 |
5 | 3200121320002021 |
6 | 115411031220023 |
7 | 10334016251610 |
oct | 1405465303657 |
9 | 327005087816 |
10 | 103831406511 |
11 | 40042138568 |
12 | 18158b17613 |
13 | 9a395220a1 |
14 | 504dc49c07 |
15 | 2a7a7ab2c6 |
hex | 182cd587af |
103831406511 has 16 divisors (see below), whose sum is σ = 166546617600. Its totient is φ = 56209483008.
The previous prime is 103831406509. The next prime is 103831406521. The reversal of 103831406511 is 115604138301.
It is not a de Polignac number, because 103831406511 - 21 = 103831406509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103831406521) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130114146 + ... + 130114943.
It is an arithmetic number, because the mean of its divisors is an integer number (10409163600).
Almost surely, 2103831406511 is an apocalyptic number.
103831406511 is a deficient number, since it is larger than the sum of its proper divisors (62715211089).
103831406511 is a wasteful number, since it uses less digits than its factorization.
103831406511 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260229118.
The product of its (nonzero) digits is 8640, while the sum is 33.
The spelling of 103831406511 in words is "one hundred three billion, eight hundred thirty-one million, four hundred six thousand, five hundred eleven".
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