Base | Representation |
---|---|
bin | 11100110101010100… |
… | …011000101001101101 |
3 | 2221220121101202200211 |
4 | 130311110120221231 |
5 | 1001401040313443 |
6 | 22120021222421 |
7 | 2144125525231 |
oct | 346524305155 |
9 | 87817352624 |
10 | 30959307373 |
11 | 121477a3945 |
12 | 6000261a11 |
13 | 2bc50553b7 |
14 | 16d9a025c1 |
15 | c12e6d19d |
hex | 735518a6d |
30959307373 has 4 divisors (see below), whose sum is σ = 31383407548. Its totient is φ = 30535207200.
The previous prime is 30959307341. The next prime is 30959307377. The reversal of 30959307373 is 37370395903.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37370395903 = 5743 ⋅6507121.
It can be written as a sum of positive squares in 2 ways, for example, as 20129366884 + 10829940489 = 141878^2 + 104067^2 .
It is a cyclic number.
It is not a de Polignac number, because 30959307373 - 25 = 30959307341 is a prime.
It is a super-2 number, since 2×309593073732 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30959307377) 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, 212049978 + ... + 212050123.
It is an arithmetic number, because the mean of its divisors is an integer number (7845851887).
Almost surely, 230959307373 is an apocalyptic number.
It is an amenable number.
30959307373 is a deficient number, since it is larger than the sum of its proper divisors (424100175).
30959307373 is an equidigital number, since it uses as much as digits as its factorization.
30959307373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 424100174.
The product of its (nonzero) digits is 1607445, while the sum is 49.
The spelling of 30959307373 in words is "thirty billion, nine hundred fifty-nine million, three hundred seven thousand, three hundred seventy-three".
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