Base | Representation |
---|---|
bin | 11100011110100100… |
… | …010111010110111001 |
3 | 2220221000012001121121 |
4 | 130132210113112321 |
5 | 1000110332323114 |
6 | 22014104305241 |
7 | 2131512325240 |
oct | 343644272671 |
9 | 86830161547 |
10 | 30577620409 |
11 | 11a712a6876 |
12 | 5b14472221 |
13 | 2b63c5641b |
14 | 16a1047957 |
15 | bde6c5a24 |
hex | 71e9175b9 |
30577620409 has 4 divisors (see below), whose sum is σ = 34945851904. Its totient is φ = 26209388916.
The previous prime is 30577620397. The next prime is 30577620419. The reversal of 30577620409 is 90402677503.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30577620409 - 223 = 30569231801 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30577620419) 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, 2184115737 + ... + 2184115750.
It is an arithmetic number, because the mean of its divisors is an integer number (8736462976).
Almost surely, 230577620409 is an apocalyptic number.
It is an amenable number.
30577620409 is a deficient number, since it is larger than the sum of its proper divisors (4368231495).
30577620409 is an equidigital number, since it uses as much as digits as its factorization.
30577620409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4368231494.
The product of its (nonzero) digits is 317520, while the sum is 43.
The spelling of 30577620409 in words is "thirty billion, five hundred seventy-seven million, six hundred twenty thousand, four hundred nine".
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