Base | Representation |
---|---|
bin | 11101000000001010… |
… | …000010010111101010 |
3 | 2222101021120000201021 |
4 | 131000022002113222 |
5 | 1002234113102132 |
6 | 22150034443054 |
7 | 2151464233261 |
oct | 350012022752 |
9 | 88337500637 |
10 | 31141144042 |
11 | 12230400488 |
12 | 605113348a |
13 | 2c23920268 |
14 | 1715c175d8 |
15 | c23dda997 |
hex | 7402825ea |
31141144042 has 8 divisors (see below), whose sum is σ = 47021065632. Its totient is φ = 15467455500.
The previous prime is 31141144031. The next prime is 31141144043. The reversal of 31141144042 is 24044114113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 31141143998 and 31141144016.
It is not an unprimeable number, because it can be changed into a prime (31141144043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51557884 + ... + 51558487.
It is an arithmetic number, because the mean of its divisors is an integer number (5877633204).
Almost surely, 231141144042 is an apocalyptic number.
31141144042 is a deficient number, since it is larger than the sum of its proper divisors (15879921590).
31141144042 is a wasteful number, since it uses less digits than its factorization.
31141144042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103116524.
The product of its (nonzero) digits is 1536, while the sum is 25.
Adding to 31141144042 its reverse (24044114113), we get a palindrome (55185258155).
The spelling of 31141144042 in words is "thirty-one billion, one hundred forty-one million, one hundred forty-four thousand, forty-two".
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