Base | Representation |
---|---|
bin | 11100010111010011… |
… | …011111101111100111 |
3 | 2220121111212210112121 |
4 | 130113103133233213 |
5 | 444333133222144 |
6 | 21554032330411 |
7 | 2125502445535 |
oct | 342723375747 |
9 | 86544783477 |
10 | 30455757799 |
11 | 11a09532675 |
12 | 5a9b6a3a07 |
13 | 2b4492977c |
14 | 168cba5155 |
15 | bd3b53384 |
hex | 7174dfbe7 |
30455757799 has 8 divisors (see below), whose sum is σ = 32191720880. Its totient is φ = 28733097600.
The previous prime is 30455757797. The next prime is 30455757821. The reversal of 30455757799 is 99775755403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30455757799 - 21 = 30455757797 is a prime.
It is a super-2 number, since 2×304557577992 (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 (30455757797) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3321012 + ... + 3330169.
It is an arithmetic number, because the mean of its divisors is an integer number (4023965110).
Almost surely, 230455757799 is an apocalyptic number.
30455757799 is a deficient number, since it is larger than the sum of its proper divisors (1735963081).
30455757799 is a wasteful number, since it uses less digits than its factorization.
30455757799 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6651441.
The product of its (nonzero) digits is 41674500, while the sum is 61.
The spelling of 30455757799 in words is "thirty billion, four hundred fifty-five million, seven hundred fifty-seven thousand, seven hundred ninety-nine".
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