Base | Representation |
---|---|
bin | 111101000011011100… |
… | …0101011000011000111 |
3 | 110112102102101211022210 |
4 | 1322012320223003013 |
5 | 4122004134202330 |
6 | 140122041354503 |
7 | 12321035541426 |
oct | 1720670530307 |
9 | 415372354283 |
10 | 131112022215 |
11 | 50671355959 |
12 | 214b1198a33 |
13 | c4963a4645 |
14 | 64bb0572bd |
15 | 36257c18b0 |
hex | 1e86e2b0c7 |
131112022215 has 64 divisors (see below), whose sum is σ = 232525043712. Its totient is φ = 62748364800.
The previous prime is 131112022183. The next prime is 131112022247. The reversal of 131112022215 is 512220211131.
It is an interprime number because it is at equal distance from previous prime (131112022183) and next prime (131112022247).
It is not a de Polignac number, because 131112022215 - 25 = 131112022183 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131112022191 and 131112022200.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1788075 + ... + 1859955.
It is an arithmetic number, because the mean of its divisors is an integer number (3633203808).
Almost surely, 2131112022215 is an apocalyptic number.
131112022215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131112022215 is a deficient number, since it is larger than the sum of its proper divisors (101413021497).
131112022215 is a wasteful number, since it uses less digits than its factorization.
131112022215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72240.
The product of its (nonzero) digits is 240, while the sum is 21.
Adding to 131112022215 its reverse (512220211131), we get a palindrome (643332233346).
The spelling of 131112022215 in words is "one hundred thirty-one billion, one hundred twelve million, twenty-two thousand, two hundred fifteen".
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