Base | Representation |
---|---|
bin | 11100100100001010… |
… | …111011110001111011 |
3 | 2221011120001120220021 |
4 | 130210022323301323 |
5 | 1000303413222042 |
6 | 22031303111311 |
7 | 2134033305223 |
oct | 344412736173 |
9 | 87146046807 |
10 | 30671617147 |
11 | 1200a367a26 |
12 | 5b3ba42537 |
13 | 2b7a5775b2 |
14 | 16ad715083 |
15 | be7a91867 |
hex | 7242bbc7b |
30671617147 has 8 divisors (see below), whose sum is σ = 31377030080. Its totient is φ = 29973913920.
The previous prime is 30671617139. The next prime is 30671617157. The reversal of 30671617147 is 74171617603.
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 30671617147 - 23 = 30671617139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30671617157) 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, 1919379 + ... + 1935292.
It is an arithmetic number, because the mean of its divisors is an integer number (3922128760).
Almost surely, 230671617147 is an apocalyptic number.
30671617147 is a deficient number, since it is larger than the sum of its proper divisors (705412933).
30671617147 is a wasteful number, since it uses less digits than its factorization.
30671617147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3854853.
The product of its (nonzero) digits is 148176, while the sum is 43.
The spelling of 30671617147 in words is "thirty billion, six hundred seventy-one million, six hundred seventeen thousand, one hundred forty-seven".
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