Base | Representation |
---|---|
bin | 11100111001110011… |
… | …011101000010000001 |
3 | 2222002212000000202220 |
4 | 130321303131002001 |
5 | 1002024321420031 |
6 | 22131310201253 |
7 | 2146031261430 |
oct | 347163350201 |
9 | 88085000686 |
10 | 31034560641 |
11 | 12186222827 |
12 | 60214b3229 |
13 | 2c07813066 |
14 | 17059d1117 |
15 | c19885596 |
hex | 739cdd081 |
31034560641 has 16 divisors (see below), whose sum is σ = 47552039808. Its totient is φ = 17636054400.
The previous prime is 31034560631. The next prime is 31034560643. The reversal of 31034560641 is 14606543013.
It is not a de Polignac number, because 31034560641 - 222 = 31030366337 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31034560643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4078620 + ... + 4086221.
It is an arithmetic number, because the mean of its divisors is an integer number (2972002488).
Almost surely, 231034560641 is an apocalyptic number.
It is an amenable number.
31034560641 is a deficient number, since it is larger than the sum of its proper divisors (16517479167).
31034560641 is a wasteful number, since it uses less digits than its factorization.
31034560641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8165032.
The product of its (nonzero) digits is 25920, while the sum is 33.
The spelling of 31034560641 in words is "thirty-one billion, thirty-four million, five hundred sixty thousand, six hundred forty-one".
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