Base | Representation |
---|---|
bin | 111101000000011101… |
… | …1111101110001011010 |
3 | 110112011110121110020002 |
4 | 1322000323331301122 |
5 | 4121303112101132 |
6 | 140104114333002 |
7 | 12315414341012 |
oct | 1720073756132 |
9 | 415143543202 |
10 | 131012222042 |
11 | 5061aa90579 |
12 | 2148388a162 |
13 | c47b800aa0 |
14 | 64abab8c42 |
15 | 361bb5b262 |
hex | 1e80efdc5a |
131012222042 has 64 divisors (see below), whose sum is σ = 223480857600. Its totient is φ = 57191774976.
The previous prime is 131012222021. The next prime is 131012222051. The reversal of 131012222042 is 240222210131.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6727163 + ... + 6746609.
It is an arithmetic number, because the mean of its divisors is an integer number (3491888400).
Almost surely, 2131012222042 is an apocalyptic number.
131012222042 is a deficient number, since it is larger than the sum of its proper divisors (92468635558).
131012222042 is a wasteful number, since it uses less digits than its factorization.
131012222042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19695.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 131012222042 its reverse (240222210131), we get a palindrome (371234432173).
The spelling of 131012222042 in words is "one hundred thirty-one billion, twelve million, two hundred twenty-two thousand, forty-two".
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