Base | Representation |
---|---|
bin | 11100010101111110… |
… | …001101100110001111 |
3 | 2220112221210222002120 |
4 | 130111332031212033 |
5 | 444311422314411 |
6 | 21551513224023 |
7 | 2125111433202 |
oct | 342576154617 |
9 | 86487728076 |
10 | 30433401231 |
11 | 119a7952872 |
12 | 5a94102013 |
13 | 2b400cc82c |
14 | 1689c25939 |
15 | bd1bd9106 |
hex | 715f8d98f |
30433401231 has 16 divisors (see below), whose sum is σ = 41534634240. Its totient is φ = 19810848960.
The previous prime is 30433401227. The next prime is 30433401247. The reversal of 30433401231 is 13210433403.
It is not a de Polignac number, because 30433401231 - 22 = 30433401227 is a prime.
It is a super-2 number, since 2×304334012312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30433401931) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392611 + ... + 463691.
It is an arithmetic number, because the mean of its divisors is an integer number (2595914640).
Almost surely, 230433401231 is an apocalyptic number.
30433401231 is a deficient number, since it is larger than the sum of its proper divisors (11101233009).
30433401231 is a wasteful number, since it uses less digits than its factorization.
30433401231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74446.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 30433401231 its reverse (13210433403), we get a palindrome (43643834634).
The spelling of 30433401231 in words is "thirty billion, four hundred thirty-three million, four hundred one thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •