Base | Representation |
---|---|
bin | 11100000110100100… |
… | …011001101010110101 |
3 | 2212212221112122021101 |
4 | 130012210121222311 |
5 | 443244243223233 |
6 | 21510122250101 |
7 | 2115523032661 |
oct | 340644315265 |
9 | 85787478241 |
10 | 30174976693 |
11 | 11884a95674 |
12 | 5a21656931 |
13 | 2acb6ca6c4 |
14 | 16637958a1 |
15 | bb918dc7d |
hex | 706919ab5 |
30174976693 has 4 divisors (see below), whose sum is σ = 31949975340. Its totient is φ = 28399978048.
The previous prime is 30174976691. The next prime is 30174976723. The reversal of 30174976693 is 39667947103.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 16791494724 + 13383481969 = 129582^2 + 115687^2 .
It is not a de Polignac number, because 30174976693 - 21 = 30174976691 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 (30174976691) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887499298 + ... + 887499331.
It is an arithmetic number, because the mean of its divisors is an integer number (7987493835).
Almost surely, 230174976693 is an apocalyptic number.
It is an amenable number.
30174976693 is a deficient number, since it is larger than the sum of its proper divisors (1774998647).
30174976693 is a wasteful number, since it uses less digits than its factorization.
30174976693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1774998646.
The product of its (nonzero) digits is 5143824, while the sum is 55.
The spelling of 30174976693 in words is "thirty billion, one hundred seventy-four million, nine hundred seventy-six thousand, six hundred ninety-three".
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