Base | Representation |
---|---|
bin | 11101010011000000… |
… | …100100010001111011 |
3 | 10000012022200221120021 |
4 | 131103000210101323 |
5 | 1003411100203403 |
6 | 22241253511311 |
7 | 2162354505556 |
oct | 352300442173 |
9 | 100168627507 |
10 | 31457428603 |
11 | 12382997787 |
12 | 611b042537 |
13 | 2c743002a3 |
14 | 1745c2969d |
15 | c41a648bd |
hex | 75302447b |
31457428603 has 8 divisors (see below), whose sum is σ = 33114762000. Its totient is φ = 29800263168.
The previous prime is 31457428573. The next prime is 31457428619. The reversal of 31457428603 is 30682475413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31457428603 - 25 = 31457428571 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31457428603.
It is not an unprimeable number, because it can be changed into a prime (31457428903) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575175 + ... + 627487.
It is an arithmetic number, because the mean of its divisors is an integer number (4139345250).
Almost surely, 231457428603 is an apocalyptic number.
31457428603 is a deficient number, since it is larger than the sum of its proper divisors (1657333397).
31457428603 is a wasteful number, since it uses less digits than its factorization.
31457428603 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83981.
The product of its (nonzero) digits is 483840, while the sum is 43.
The spelling of 31457428603 in words is "thirty-one billion, four hundred fifty-seven million, four hundred twenty-eight thousand, six hundred three".
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