Base | Representation |
---|---|
bin | 11100011010101101… |
… | …010001010110101101 |
3 | 2220202111022012011210 |
4 | 130122231101112231 |
5 | 444442242040003 |
6 | 22003432105033 |
7 | 2130064625301 |
oct | 343255212655 |
9 | 86674265153 |
10 | 30512846253 |
11 | 11a3878500a |
12 | 5ab6835179 |
13 | 2b536c7416 |
14 | 16965c5d01 |
15 | bd8b7d503 |
hex | 71ab515ad |
30512846253 has 16 divisors (see below), whose sum is σ = 44466541056. Its totient is φ = 18527723520.
The previous prime is 30512846249. The next prime is 30512846267. The reversal of 30512846253 is 35264821503.
It is a happy number.
It is not a de Polignac number, because 30512846253 - 22 = 30512846249 is a prime.
It is a super-2 number, since 2×305128462532 (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 (30512846233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9648276 + ... + 9651437.
It is an arithmetic number, because the mean of its divisors is an integer number (2779158816).
Almost surely, 230512846253 is an apocalyptic number.
It is an amenable number.
30512846253 is a deficient number, since it is larger than the sum of its proper divisors (13953694803).
30512846253 is a wasteful number, since it uses less digits than its factorization.
30512846253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19299764.
The product of its (nonzero) digits is 172800, while the sum is 39.
The spelling of 30512846253 in words is "thirty billion, five hundred twelve million, eight hundred forty-six thousand, two hundred fifty-three".
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