Base | Representation |
---|---|
bin | 11100001001010111… |
… | …111001110001001111 |
3 | 2220000020002021221201 |
4 | 130021113321301033 |
5 | 443343320010301 |
6 | 21514523010331 |
7 | 2116634014216 |
oct | 341127716117 |
9 | 86006067851 |
10 | 30222031951 |
11 | 118a9604a11 |
12 | 5a353699a7 |
13 | 2b08394657 |
14 | 1669b2407d |
15 | bbd386201 |
hex | 7095f9c4f |
30222031951 has 2 divisors, whose sum is σ = 30222031952. Its totient is φ = 30222031950.
The previous prime is 30222031949. The next prime is 30222032023. The reversal of 30222031951 is 15913022203.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30222031951 - 21 = 30222031949 is a prime.
Together with 30222031949, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30222034951) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111015975 + 15111015976.
It is an arithmetic number, because the mean of its divisors is an integer number (15111015976).
Almost surely, 230222031951 is an apocalyptic number.
30222031951 is a deficient number, since it is larger than the sum of its proper divisors (1).
30222031951 is an equidigital number, since it uses as much as digits as its factorization.
30222031951 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3240, while the sum is 28.
The spelling of 30222031951 in words is "thirty billion, two hundred twenty-two million, thirty-one thousand, nine hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •