Base | Representation |
---|---|
bin | 11100010111001111… |
… | …101101111001111111 |
3 | 2220121110000110201220 |
4 | 130113033231321333 |
5 | 444332410022411 |
6 | 21553555204423 |
7 | 2125461151560 |
oct | 342717557177 |
9 | 86543013656 |
10 | 30454767231 |
11 | 11a08a16419 |
12 | 5a9b2a6713 |
13 | 2b44670935 |
14 | 168c9c8167 |
15 | bd3a09b06 |
hex | 7173ede7f |
30454767231 has 16 divisors (see below), whose sum is σ = 46437081600. Its totient is φ = 17391542688.
The previous prime is 30454767179. The next prime is 30454767293. The reversal of 30454767231 is 13276745403.
It is not a de Polignac number, because 30454767231 - 210 = 30454766207 is a prime.
It is a super-2 number, since 2×304547672312 (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 (30454763231) 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, 432376 + ... + 497853.
It is an arithmetic number, because the mean of its divisors is an integer number (2902317600).
Almost surely, 230454767231 is an apocalyptic number.
30454767231 is a deficient number, since it is larger than the sum of its proper divisors (15982314369).
30454767231 is a wasteful number, since it uses less digits than its factorization.
30454767231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 931798.
The product of its (nonzero) digits is 423360, while the sum is 42.
The spelling of 30454767231 in words is "thirty billion, four hundred fifty-four million, seven hundred sixty-seven thousand, two hundred thirty-one".
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