Base | Representation |
---|---|
bin | 11100100111100000… |
… | …100111000010010101 |
3 | 2221022110110101110022 |
4 | 130213200213002111 |
5 | 1000412233142442 |
6 | 22041023434525 |
7 | 2135313361010 |
oct | 344740470225 |
9 | 87273411408 |
10 | 30727630997 |
11 | 12038a45a68 |
12 | 5b56755a45 |
13 | 2b8905a09b |
14 | 16b6d36377 |
15 | bec9583d2 |
hex | 727827095 |
30727630997 has 16 divisors (see below), whose sum is σ = 35677676160. Its totient is φ = 25920718848.
The previous prime is 30727630991. The next prime is 30727631017. The reversal of 30727630997 is 79903672703.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30727630997 - 210 = 30727629973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30727630991) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4868 + ... + 247949.
It is an arithmetic number, because the mean of its divisors is an integer number (2229854760).
Almost surely, 230727630997 is an apocalyptic number.
It is an amenable number.
30727630997 is a deficient number, since it is larger than the sum of its proper divisors (4950045163).
30727630997 is a wasteful number, since it uses less digits than its factorization.
30727630997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253100.
The product of its (nonzero) digits is 3000564, while the sum is 53.
The spelling of 30727630997 in words is "thirty billion, seven hundred twenty-seven million, six hundred thirty thousand, nine hundred ninety-seven".
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