Base | Representation |
---|---|
bin | 1110010001010000110… |
… | …0101101110001110111 |
3 | 212102210001202121210011 |
4 | 3210110030231301313 |
5 | 13004032403412211 |
6 | 304342110241051 |
7 | 23466044506063 |
oct | 3442414556167 |
9 | 772701677704 |
10 | 245152013431 |
11 | 94a71a14186 |
12 | 3b618ab6187 |
13 | 1a16b8857a0 |
14 | bc18a00aa3 |
15 | 659c3dd921 |
hex | 391432dc77 |
245152013431 has 16 divisors (see below), whose sum is σ = 277924995040. Its totient is φ = 214368612480.
The previous prime is 245152013429. The next prime is 245152013467. The reversal of 245152013431 is 134310251542.
It is a cyclic number.
It is not a de Polignac number, because 245152013431 - 21 = 245152013429 is a prime.
It is a super-2 number, since 2×2451520134312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 245152013393 and 245152013402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245152013131) 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, 4701901 + ... + 4753753.
It is an arithmetic number, because the mean of its divisors is an integer number (17370312190).
Almost surely, 2245152013431 is an apocalyptic number.
245152013431 is a deficient number, since it is larger than the sum of its proper divisors (32772981609).
245152013431 is a wasteful number, since it uses less digits than its factorization.
245152013431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71026.
The product of its (nonzero) digits is 14400, while the sum is 31.
Adding to 245152013431 its reverse (134310251542), we get a palindrome (379462264973).
The spelling of 245152013431 in words is "two hundred forty-five billion, one hundred fifty-two million, thirteen thousand, four hundred thirty-one".
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