Base | Representation |
---|---|
bin | 11100001000011111… |
… | …001110010011101111 |
3 | 2212222012010102111110 |
4 | 130020133032103233 |
5 | 443331014030441 |
6 | 21513232323103 |
7 | 2116363512210 |
oct | 341037162357 |
9 | 85865112443 |
10 | 30207173871 |
11 | 118a1186906 |
12 | 5a303a3493 |
13 | 2b052917a4 |
14 | 1667b77407 |
15 | bbbdedb16 |
hex | 7087ce4ef |
30207173871 has 8 divisors (see below), whose sum is σ = 46029979264. Its totient is φ = 17261242200.
The previous prime is 30207173753. The next prime is 30207173873. The reversal of 30207173871 is 17837170203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30207173871 - 27 = 30207173743 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 (30207173873) 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, 719218405 + ... + 719218446.
It is an arithmetic number, because the mean of its divisors is an integer number (5753747408).
Almost surely, 230207173871 is an apocalyptic number.
30207173871 is a deficient number, since it is larger than the sum of its proper divisors (15822805393).
30207173871 is a wasteful number, since it uses less digits than its factorization.
30207173871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1438436861.
The product of its (nonzero) digits is 49392, while the sum is 39.
The spelling of 30207173871 in words is "thirty billion, two hundred seven million, one hundred seventy-three thousand, eight hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •