Base | Representation |
---|---|
bin | 111101000110101010… |
… | …1000000011010000110 |
3 | 110112200221210102001022 |
4 | 1322031111000122012 |
5 | 4122214322104110 |
6 | 140140502231142 |
7 | 12323520362126 |
oct | 1721525003206 |
9 | 415627712038 |
10 | 131220113030 |
11 | 50717373106 |
12 | 215214254b2 |
13 | c4b28bb9c6 |
14 | 64cb552c86 |
15 | 3630023755 |
hex | 1e8d540686 |
131220113030 has 16 divisors (see below), whose sum is σ = 236897088480. Its totient is φ = 52332292992.
The previous prime is 131220112987. The next prime is 131220113093. The reversal of 131220113030 is 30311022131.
131220113030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19465490 + ... + 19472229.
It is an arithmetic number, because the mean of its divisors is an integer number (14806068030).
Almost surely, 2131220113030 is an apocalyptic number.
131220113030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131220113030 is a deficient number, since it is larger than the sum of its proper divisors (105676975450).
131220113030 is a wasteful number, since it uses less digits than its factorization.
131220113030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38938063.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 131220113030 its reverse (30311022131), we get a palindrome (161531135161).
It can be divided in two parts, 1312201 and 13030, that added together give a palindrome (1325231).
The spelling of 131220113030 in words is "one hundred thirty-one billion, two hundred twenty million, one hundred thirteen thousand, thirty".
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