Base | Representation |
---|---|
bin | 11101000110010100… |
… | …000101100110100111 |
3 | 2222122110221002220102 |
4 | 131012110011212213 |
5 | 1002442034121043 |
6 | 22204204454315 |
7 | 2154160242464 |
oct | 350624054647 |
9 | 88573832812 |
10 | 31244442023 |
11 | 12283744813 |
12 | 607b84a39b |
13 | 2c3c149c22 |
14 | 172582666b |
15 | c2cee26b8 |
hex | 7465059a7 |
31244442023 has 16 divisors (see below), whose sum is σ = 35246392320. Its totient is φ = 27547809696.
The previous prime is 31244442007. The next prime is 31244442029. The reversal of 31244442023 is 32024444213.
It is a cyclic number.
It is not a de Polignac number, because 31244442023 - 24 = 31244442007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31244442029) 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, 950015 + ... + 982352.
It is an arithmetic number, because the mean of its divisors is an integer number (2202899520).
Almost surely, 231244442023 is an apocalyptic number.
31244442023 is a deficient number, since it is larger than the sum of its proper divisors (4001950297).
31244442023 is a wasteful number, since it uses less digits than its factorization.
31244442023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1932446.
The product of its (nonzero) digits is 18432, while the sum is 29.
Adding to 31244442023 its reverse (32024444213), we get a palindrome (63268886236).
The spelling of 31244442023 in words is "thirty-one billion, two hundred forty-four million, four hundred forty-two thousand, twenty-three".
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