Base | Representation |
---|---|
bin | 11100000011111110… |
… | …100011010001101111 |
3 | 2212202220201210122210 |
4 | 130003332203101233 |
5 | 443202131001033 |
6 | 21501530341503 |
7 | 2114454345123 |
oct | 340376432157 |
9 | 85686653583 |
10 | 30131500143 |
11 | 118624a0038 |
12 | 5a0ab8a893 |
13 | 2ac26b7634 |
14 | 165bab9583 |
15 | bb5451d63 |
hex | 703fa346f |
30131500143 has 4 divisors (see below), whose sum is σ = 40175333528. Its totient is φ = 20087666760.
The previous prime is 30131500103. The next prime is 30131500169. The reversal of 30131500143 is 34100513103.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30131500143 - 29 = 30131499631 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 (30131500103) 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, 5021916688 + ... + 5021916693.
It is an arithmetic number, because the mean of its divisors is an integer number (10043833382).
Almost surely, 230131500143 is an apocalyptic number.
30131500143 is a deficient number, since it is larger than the sum of its proper divisors (10043833385).
30131500143 is a wasteful number, since it uses less digits than its factorization.
30131500143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10043833384.
The product of its (nonzero) digits is 540, while the sum is 21.
The spelling of 30131500143 in words is "thirty billion, one hundred thirty-one million, five hundred thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •