Base | Representation |
---|---|
bin | 11001000001000110… |
… | …10100001010011101 |
3 | 1021200000212001001110 |
4 | 30200203110022131 |
5 | 210001320433204 |
6 | 10100425332233 |
7 | 653555606055 |
oct | 144043241235 |
9 | 37600761043 |
10 | 13431030429 |
11 | 5772514a53 |
12 | 272a037079 |
13 | 13607892ab |
14 | 915aca565 |
15 | 5391e4889 |
hex | 3208d429d |
13431030429 has 4 divisors (see below), whose sum is σ = 17908040576. Its totient is φ = 8954020284.
The previous prime is 13431030401. The next prime is 13431030461. The reversal of 13431030429 is 92403013431.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92403013431 = 3 ⋅30801004477.
It is not a de Polignac number, because 13431030429 - 215 = 13430997661 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13431030396 and 13431030405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13431030499) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2238505069 + ... + 2238505074.
It is an arithmetic number, because the mean of its divisors is an integer number (4477010144).
Almost surely, 213431030429 is an apocalyptic number.
It is an amenable number.
13431030429 is a deficient number, since it is larger than the sum of its proper divisors (4477010147).
13431030429 is an equidigital number, since it uses as much as digits as its factorization.
13431030429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4477010146.
The product of its (nonzero) digits is 7776, while the sum is 30.
The spelling of 13431030429 in words is "thirteen billion, four hundred thirty-one million, thirty thousand, four hundred twenty-nine".
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