Base | Representation |
---|---|
bin | 11101000100011010… |
… | …011001100001010010 |
3 | 2222120020220102100100 |
4 | 131010122121201102 |
5 | 1002410402321114 |
6 | 22201105033230 |
7 | 2153322141552 |
oct | 350432314122 |
9 | 88506812310 |
10 | 31212542034 |
11 | 12267736893 |
12 | 6071025816 |
13 | 2c3565b1ab |
14 | 17214c1162 |
15 | c2a2e0909 |
hex | 744699852 |
31212542034 has 12 divisors (see below), whose sum is σ = 67627174446. Its totient is φ = 10404180672.
The previous prime is 31212541993. The next prime is 31212542059. The reversal of 31212542034 is 43024521213.
It can be written as a sum of positive squares in only one way, i.e., 29860876809 + 1351665225 = 172803^2 + 36765^2 .
It is a junction number, because it is equal to n+sod(n) for n = 31212541989 and 31212542007.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867015039 + ... + 867015074.
Almost surely, 231212542034 is an apocalyptic number.
31212542034 is an abundant number, since it is smaller than the sum of its proper divisors (36414632412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31212542034 is a wasteful number, since it uses less digits than its factorization.
31212542034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1734030121 (or 1734030118 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The spelling of 31212542034 in words is "thirty-one billion, two hundred twelve million, five hundred forty-two thousand, thirty-four".
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