Base | Representation |
---|---|
bin | 11101010010011110… |
… | …110010000001111110 |
3 | 10000011201000222122001 |
4 | 131102132302001332 |
5 | 1003401313301110 |
6 | 22240340012514 |
7 | 2162216310631 |
oct | 352236620176 |
9 | 100151028561 |
10 | 31448572030 |
11 | 123789986a7 |
12 | 611809113a |
13 | 2c7251c005 |
14 | 17449a1c18 |
15 | c40db563a |
hex | 7527b207e |
31448572030 has 16 divisors (see below), whose sum is σ = 56659240224. Its totient is φ = 12567915360.
The previous prime is 31448572013. The next prime is 31448572049. The reversal of 31448572030 is 3027584413.
It is a happy number.
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, 1427706 + ... + 1449565.
It is an arithmetic number, because the mean of its divisors is an integer number (3541202514).
Almost surely, 231448572030 is an apocalyptic number.
31448572030 is a deficient number, since it is larger than the sum of its proper divisors (25210668194).
31448572030 is a wasteful number, since it uses less digits than its factorization.
31448572030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2878371.
The product of its (nonzero) digits is 80640, while the sum is 37.
The spelling of 31448572030 in words is "thirty-one billion, four hundred forty-eight million, five hundred seventy-two thousand, thirty".
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