Base | Representation |
---|---|
bin | 11100011001111110… |
… | …101101100100110111 |
3 | 2220201122100002211022 |
4 | 130121332231210313 |
5 | 444431131003304 |
6 | 22002314331355 |
7 | 2126556112556 |
oct | 343176554467 |
9 | 86648302738 |
10 | 30500641079 |
11 | 11a318a9097 |
12 | 5ab2729b5b |
13 | 2b51012c1c |
14 | 1694b29d9d |
15 | bd7a6bebe |
hex | 719fad937 |
30500641079 has 4 divisors (see below), whose sum is σ = 30502065984. Its totient is φ = 30499216176.
The previous prime is 30500641027. The next prime is 30500641099. The reversal of 30500641079 is 97014600503.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97014600503 = 773 ⋅125504011.
It is a cyclic number.
It is not a de Polignac number, because 30500641079 - 212 = 30500636983 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30500641099) 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, 679847 + ... + 723320.
It is an arithmetic number, because the mean of its divisors is an integer number (7625516496).
Almost surely, 230500641079 is an apocalyptic number.
30500641079 is a deficient number, since it is larger than the sum of its proper divisors (1424905).
30500641079 is a wasteful number, since it uses less digits than its factorization.
30500641079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1424904.
The product of its (nonzero) digits is 22680, while the sum is 35.
The spelling of 30500641079 in words is "thirty billion, five hundred million, six hundred forty-one thousand, seventy-nine".
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