Base | Representation |
---|---|
bin | 10010001111011100010… |
… | …011001110010100001111 |
3 | 11102211120202200120122010 |
4 | 102033130103032110033 |
5 | 131014213031310111 |
6 | 2355510414352303 |
7 | 156364452013263 |
oct | 22173423162417 |
9 | 4384522616563 |
10 | 1253531510031 |
11 | 44368a948979 |
12 | 182b391bb693 |
13 | 91290ba7428 |
14 | 44957c9a0a3 |
15 | 22919613aa6 |
hex | 123dc4ce50f |
1253531510031 has 16 divisors (see below), whose sum is σ = 1674565678080. Its totient is φ = 834093775200.
The previous prime is 1253531510017. The next prime is 1253531510059. The reversal of 1253531510031 is 1300151353521.
It is not a de Polignac number, because 1253531510031 - 27 = 1253531509903 is a prime.
It is a super-2 number, since 2×12535315100312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1253531550031) 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, 3830506 + ... + 4144856.
It is an arithmetic number, because the mean of its divisors is an integer number (104660354880).
Almost surely, 21253531510031 is an apocalyptic number.
1253531510031 is a deficient number, since it is larger than the sum of its proper divisors (421034168049).
1253531510031 is a wasteful number, since it uses less digits than its factorization.
1253531510031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316886.
The product of its (nonzero) digits is 6750, while the sum is 30.
Adding to 1253531510031 its reverse (1300151353521), we get a palindrome (2553682863552).
The spelling of 1253531510031 in words is "one trillion, two hundred fifty-three billion, five hundred thirty-one million, five hundred ten thousand, thirty-one".
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