Base | Representation |
---|---|
bin | 11101100110110110100000… |
… | …001111110100000111100111 |
3 | 122002001021001122000202221012 |
4 | 131212312200033310013213 |
5 | 114031403124233404111 |
6 | 1140535042423212435 |
7 | 36266410532003060 |
oct | 3546664017640747 |
9 | 562037048022835 |
10 | 130213212013031 |
11 | 38543127591364 |
12 | 127302392a711b |
13 | 578708cb78244 |
14 | 24224d2c37567 |
15 | 100c22789d48b |
hex | 766da03f41e7 |
130213212013031 has 16 divisors (see below), whose sum is σ = 149187047718720. Its totient is φ = 111332429026560.
The previous prime is 130213212013021. The next prime is 130213212013043. The reversal of 130213212013031 is 130310212312031.
It is not a de Polignac number, because 130213212013031 - 246 = 59844467835367 is a prime.
It is a super-2 number, since 2×1302132120130312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130213212012988 and 130213212013006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130213212013021) 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, 21107105 + ... + 26569461.
It is an arithmetic number, because the mean of its divisors is an integer number (9324190482420).
Almost surely, 2130213212013031 is an apocalyptic number.
130213212013031 is a deficient number, since it is larger than the sum of its proper divisors (18973835705689).
130213212013031 is an equidigital number, since it uses as much as digits as its factorization.
130213212013031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5470874.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 130213212013031 its reverse (130310212312031), we get a palindrome (260523424325062).
The spelling of 130213212013031 in words is "one hundred thirty trillion, two hundred thirteen billion, two hundred twelve million, thirteen thousand, thirty-one".
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