Base | Representation |
---|---|
bin | 11100111010001101… |
… | …101111110111101001 |
3 | 2222010022222020001122 |
4 | 130322031233313221 |
5 | 1002033103003140 |
6 | 22132114025025 |
7 | 2146144000364 |
oct | 347215576751 |
9 | 88108866048 |
10 | 31041453545 |
11 | 1218a100543 |
12 | 6023878175 |
13 | 2c090875bb |
14 | 17068a70db |
15 | c1a297ab5 |
hex | 73a36fde9 |
31041453545 has 32 divisors (see below), whose sum is σ = 39412783872. Its totient is φ = 23423127552.
The previous prime is 31041453533. The next prime is 31041453551. The reversal of 31041453545 is 54535414013.
It is a cyclic number.
It is not a de Polignac number, because 31041453545 - 224 = 31024676329 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3151949 + ... + 3161781.
It is an arithmetic number, because the mean of its divisors is an integer number (1231649496).
Almost surely, 231041453545 is an apocalyptic number.
It is an amenable number.
31041453545 is a deficient number, since it is larger than the sum of its proper divisors (8371330327).
31041453545 is a wasteful number, since it uses less digits than its factorization.
31041453545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10241.
The product of its (nonzero) digits is 72000, while the sum is 35.
Adding to 31041453545 its reverse (54535414013), we get a palindrome (85576867558).
The spelling of 31041453545 in words is "thirty-one billion, forty-one million, four hundred fifty-three thousand, five hundred forty-five".
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