Base | Representation |
---|---|
bin | 111001010010100001… |
… | …110010110010010111 |
3 | 12212210000200201020120 |
4 | 321102201302302113 |
5 | 2001440104221011 |
6 | 44131553203023 |
7 | 4305243333360 |
oct | 712241626227 |
9 | 185700621216 |
10 | 61514132631 |
11 | 240a7140346 |
12 | bb08b60473 |
13 | 5a5435a063 |
14 | 2d979d4b67 |
15 | 190063ea06 |
hex | e52872c97 |
61514132631 has 16 divisors (see below), whose sum is σ = 94019021568. Its totient is φ = 35044732800.
The previous prime is 61514132573. The next prime is 61514132677. The reversal of 61514132631 is 13623141516.
It is a happy number.
61514132631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 61514132631 - 214 = 61514116247 is a prime.
It is a super-2 number, since 2×615141326312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 61514132592 and 61514132601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61514132531) 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, 4417890 + ... + 4431791.
It is an arithmetic number, because the mean of its divisors is an integer number (5876188848).
Almost surely, 261514132631 is an apocalyptic number.
61514132631 is a deficient number, since it is larger than the sum of its proper divisors (32504888937).
61514132631 is a wasteful number, since it uses less digits than its factorization.
61514132631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8850022.
The product of its digits is 12960, while the sum is 33.
The spelling of 61514132631 in words is "sixty-one billion, five hundred fourteen million, one hundred thirty-two thousand, six hundred thirty-one".
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