Base | Representation |
---|---|
bin | 11100011010101110… |
… | …001101011110111110 |
3 | 2220202111202201000121 |
4 | 130122232031132332 |
5 | 444442322430132 |
6 | 22003441245154 |
7 | 2130100002322 |
oct | 343256153676 |
9 | 86674681017 |
10 | 30513092542 |
11 | 11a38933059 |
12 | 5ab69337ba |
13 | 2b5378255a |
14 | 169664b982 |
15 | bd8bcb497 |
hex | 71ab8d7be |
30513092542 has 4 divisors (see below), whose sum is σ = 45769638816. Its totient is φ = 15256546270.
The previous prime is 30513092513. The next prime is 30513092563. The reversal of 30513092542 is 24529031503.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 30513092498 and 30513092507.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7628273134 + ... + 7628273137.
It is an arithmetic number, because the mean of its divisors is an integer number (11442409704).
Almost surely, 230513092542 is an apocalyptic number.
30513092542 is a deficient number, since it is larger than the sum of its proper divisors (15256546274).
30513092542 is a wasteful number, since it uses less digits than its factorization.
30513092542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15256546273.
The product of its (nonzero) digits is 32400, while the sum is 34.
The spelling of 30513092542 in words is "thirty billion, five hundred thirteen million, ninety-two thousand, five hundred forty-two".
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