Base | Representation |
---|---|
bin | 11101010010100111… |
… | …111101001100001110 |
3 | 10000011212120011200102 |
4 | 131102213331030032 |
5 | 1003402422231123 |
6 | 22240503331102 |
7 | 2162245615415 |
oct | 352247751416 |
9 | 100155504612 |
10 | 31450977038 |
11 | 1237a290608 |
12 | 6118a50a92 |
13 | 2c72b818b0 |
14 | 174502a47c |
15 | c411dd028 |
hex | 7529fd30e |
31450977038 has 8 divisors (see below), whose sum is σ = 50805424488. Its totient is φ = 14515835544.
The previous prime is 31450977037. The next prime is 31450977049. The reversal of 31450977038 is 83077905413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×314509770383 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31450976983 and 31450977001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31450977031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604826456 + ... + 604826507.
It is an arithmetic number, because the mean of its divisors is an integer number (6350678061).
Almost surely, 231450977038 is an apocalyptic number.
31450977038 is a deficient number, since it is larger than the sum of its proper divisors (19354447450).
31450977038 is a wasteful number, since it uses less digits than its factorization.
31450977038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1209652978.
The product of its (nonzero) digits is 635040, while the sum is 47.
The spelling of 31450977038 in words is "thirty-one billion, four hundred fifty million, nine hundred seventy-seven thousand, thirty-eight".
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