Base | Representation |
---|---|
bin | 11101001001101001… |
… | …011111100111100101 |
3 | 2222210101012022120220 |
4 | 131021221133213211 |
5 | 1003100344312003 |
6 | 22213523514553 |
7 | 2155436612334 |
oct | 351151374745 |
9 | 88711168526 |
10 | 31300385253 |
11 | 12302284795 |
12 | 6096528a59 |
13 | 2c4a906527 |
14 | 172d029d1b |
15 | c32d93353 |
hex | 749a5f9e5 |
31300385253 has 8 divisors (see below), whose sum is σ = 41734742400. Its totient is φ = 20866475808.
The previous prime is 31300385251. The next prime is 31300385267. The reversal of 31300385253 is 35258300313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31300385253 - 21 = 31300385251 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31300385251) 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, 119668 + ... + 277346.
It is an arithmetic number, because the mean of its divisors is an integer number (5216842800).
Almost surely, 231300385253 is an apocalyptic number.
It is an amenable number.
31300385253 is a deficient number, since it is larger than the sum of its proper divisors (10434357147).
31300385253 is a wasteful number, since it uses less digits than its factorization.
31300385253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223851.
The product of its (nonzero) digits is 32400, while the sum is 33.
Adding to 31300385253 its reverse (35258300313), we get a palindrome (66558685566).
The spelling of 31300385253 in words is "thirty-one billion, three hundred million, three hundred eighty-five thousand, two hundred fifty-three".
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