Base | Representation |
---|---|
bin | 111100100111010110… |
… | …1001001101110001111 |
3 | 110102222201211121202221 |
4 | 1321032231021232033 |
5 | 4113041341244111 |
6 | 135444331400211 |
7 | 12255502210255 |
oct | 1711655115617 |
9 | 412881747687 |
10 | 130169478031 |
11 | 5022830551a |
12 | 212895b3067 |
13 | c3760333a8 |
14 | 642bbc45d5 |
15 | 35bcb8e371 |
hex | 1e4eb49b8f |
130169478031 has 4 divisors (see below), whose sum is σ = 130178685600. Its totient is φ = 130160270464.
The previous prime is 130169478017. The next prime is 130169478143. The reversal of 130169478031 is 130874961031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 130169478031 - 233 = 121579543439 is a prime.
It is a super-2 number, since 2×1301694780312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130139478031) 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, 4582546 + ... + 4610863.
It is an arithmetic number, because the mean of its divisors is an integer number (32544671400).
Almost surely, 2130169478031 is an apocalyptic number.
130169478031 is a deficient number, since it is larger than the sum of its proper divisors (9207569).
130169478031 is an equidigital number, since it uses as much as digits as its factorization.
130169478031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9207568.
The product of its (nonzero) digits is 108864, while the sum is 43.
The spelling of 130169478031 in words is "one hundred thirty billion, one hundred sixty-nine million, four hundred seventy-eight thousand, thirty-one".
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