Base | Representation |
---|---|
bin | 11100111010110000… |
… | …000101010100101000 |
3 | 2222010221220111210101 |
4 | 130322300011110220 |
5 | 1002042404014222 |
6 | 22133034555144 |
7 | 2146313335603 |
oct | 347260052450 |
9 | 88127814711 |
10 | 31050454312 |
11 | 12194198999 |
12 | 6026898ab4 |
13 | 2c0abb93b7 |
14 | 1707b6b33a |
15 | c1ae74927 |
hex | 73ac05528 |
31050454312 has 8 divisors (see below), whose sum is σ = 58219601850. Its totient is φ = 15525227152.
The previous prime is 31050454307. The next prime is 31050454313. The reversal of 31050454312 is 21345405013.
It can be written as a sum of positive squares in only one way, i.e., 23946324516 + 7104129796 = 154746^2 + 84286^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (31050454313) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940653387 + ... + 1940653402.
Almost surely, 231050454312 is an apocalyptic number.
It is an amenable number.
31050454312 is a deficient number, since it is larger than the sum of its proper divisors (27169147538).
31050454312 is a wasteful number, since it uses less digits than its factorization.
31050454312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3881306795 (or 3881306791 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 31050454312 its reverse (21345405013), we get a palindrome (52395859325).
It can be divided in two parts, 310504 and 54312, that added together give a square (364816 = 6042).
The spelling of 31050454312 in words is "thirty-one billion, fifty million, four hundred fifty-four thousand, three hundred twelve".
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