Base | Representation |
---|---|
bin | 11100011001110011… |
… | …101110001011111111 |
3 | 2220201102220201201122 |
4 | 130121303232023333 |
5 | 444424411304444 |
6 | 22002132501155 |
7 | 2126522453120 |
oct | 343163561377 |
9 | 86642821648 |
10 | 30497759999 |
11 | 11a30210533 |
12 | 5ab177a7bb |
13 | 2b50544745 |
14 | 16945ba047 |
15 | bd769d4ee |
hex | 719cee2ff |
30497759999 has 16 divisors (see below), whose sum is σ = 34947188736. Its totient is φ = 26071567200.
The previous prime is 30497759993. The next prime is 30497760001. The reversal of 30497759999 is 99995779403.
It is not a de Polignac number, because 30497759999 - 24 = 30497759983 is a prime.
It is a super-2 number, since 2×304977599992 (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 (30497759993) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6310514 + ... + 6315344.
It is an arithmetic number, because the mean of its divisors is an integer number (2184199296).
Almost surely, 230497759999 is an apocalyptic number.
30497759999 is a deficient number, since it is larger than the sum of its proper divisors (4449428737).
30497759999 is a wasteful number, since it uses less digits than its factorization.
30497759999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7046.
The product of its (nonzero) digits is 173604060, while the sum is 71.
The spelling of 30497759999 in words is "thirty billion, four hundred ninety-seven million, seven hundred fifty-nine thousand, nine hundred ninety-nine".
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