Base | Representation |
---|---|
bin | 110111111110110110… |
… | …1011000101000101111 |
3 | 102111022101100210102211 |
4 | 1233331231120220233 |
5 | 3432202441300111 |
6 | 131121213431251 |
7 | 11454115443646 |
oct | 1577555305057 |
9 | 374271323384 |
10 | 120220650031 |
11 | 46a92471819 |
12 | 1b37179b527 |
13 | b44bb21911 |
14 | 5b6678235d |
15 | 31d953d521 |
hex | 1bfdb58a2f |
120220650031 has 16 divisors (see below), whose sum is σ = 128562527808. Its totient is φ = 112020480000.
The previous prime is 120220649993. The next prime is 120220650071. The reversal of 120220650031 is 130056022021.
It is not a de Polignac number, because 120220650031 - 225 = 120187095599 is a prime.
It is a super-2 number, since 2×1202206500312 (a number of 23 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 = 120220649984 and 120220650011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120220650071) 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, 9240531 + ... + 9253531.
It is an arithmetic number, because the mean of its divisors is an integer number (8035157988).
Almost surely, 2120220650031 is an apocalyptic number.
120220650031 is a deficient number, since it is larger than the sum of its proper divisors (8341877777).
120220650031 is a wasteful number, since it uses less digits than its factorization.
120220650031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18402.
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 120220650031 its reverse (130056022021), we get a palindrome (250276672052).
The spelling of 120220650031 in words is "one hundred twenty billion, two hundred twenty million, six hundred fifty thousand, thirty-one".
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