Base | Representation |
---|---|
bin | 11100100101011100… |
… | …110101001111001101 |
3 | 2221020001110022211210 |
4 | 130211130311033031 |
5 | 1000324412224112 |
6 | 22033351205033 |
7 | 2134413633126 |
oct | 344534651715 |
9 | 87201408753 |
10 | 30693086157 |
11 | 120204a0a08 |
12 | 5b47076779 |
13 | 2b81b53556 |
14 | 16b250304d |
15 | be98d2b3c |
hex | 7257353cd |
30693086157 has 8 divisors (see below), whose sum is σ = 40927826880. Its totient is φ = 20460201440.
The previous prime is 30693086117. The next prime is 30693086209. The reversal of 30693086157 is 75168039603.
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 30693086157 - 211 = 30693084109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30693086117) 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, 424944 + ... + 491897.
It is an arithmetic number, because the mean of its divisors is an integer number (5115978360).
Almost surely, 230693086157 is an apocalyptic number.
It is an amenable number.
30693086157 is a deficient number, since it is larger than the sum of its proper divisors (10234740723).
30693086157 is a wasteful number, since it uses less digits than its factorization.
30693086157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 928003.
The product of its (nonzero) digits is 816480, while the sum is 48.
The spelling of 30693086157 in words is "thirty billion, six hundred ninety-three million, eighty-six thousand, one hundred fifty-seven".
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