Base | Representation |
---|---|
bin | 11100111111100001… |
… | …100001000110101110 |
3 | 2222100112120101001102 |
4 | 130333201201012232 |
5 | 1002223403201110 |
6 | 22145015043102 |
7 | 2151305033306 |
oct | 347741410656 |
9 | 88315511042 |
10 | 31130522030 |
11 | 12225405a63 |
12 | 6049670492 |
13 | 2c2167154a |
14 | 1714650606 |
15 | c22edd5a5 |
hex | 73f8611ae |
31130522030 has 16 divisors (see below), whose sum is σ = 56052192240. Its totient is φ = 12448374912.
The previous prime is 31130522029. The next prime is 31130522099. The reversal of 31130522030 is 3022503113.
It is a junction number, because it is equal to n+sod(n) for n = 31130521993 and 31130522011.
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 7 ways as a sum of consecutive naturals, for example, 445019 + ... + 510198.
It is an arithmetic number, because the mean of its divisors is an integer number (3503262015).
Almost surely, 231130522030 is an apocalyptic number.
31130522030 is a deficient number, since it is larger than the sum of its proper divisors (24921670210).
31130522030 is a wasteful number, since it uses less digits than its factorization.
31130522030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 958483.
The product of its (nonzero) digits is 540, while the sum is 20.
The spelling of 31130522030 in words is "thirty-one billion, one hundred thirty million, five hundred twenty-two thousand, thirty".
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