Base | Representation |
---|---|
bin | 11101000110001010… |
… | …110111000001011001 |
3 | 2222122022101012122000 |
4 | 131012022313001121 |
5 | 1002440424214001 |
6 | 22204040551213 |
7 | 2154130546110 |
oct | 350612670131 |
9 | 88568335560 |
10 | 31242023001 |
11 | 12282342322 |
12 | 607aa82509 |
13 | 2c3b7b0b57 |
14 | 1725396c77 |
15 | c2cbb5a86 |
hex | 7462b7059 |
31242023001 has 64 divisors (see below), whose sum is σ = 54275235840. Its totient is φ = 17388708480.
The previous prime is 31242022997. The next prime is 31242023009. The reversal of 31242023001 is 10032024213.
31242023001 is a `hidden beast` number, since 3 + 12 + 420 + 230 + 0 + 1 = 666.
It is not a de Polignac number, because 31242023001 - 22 = 31242022997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31242023009) 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 63 ways as a sum of consecutive naturals, for example, 5289616 + ... + 5295518.
It is an arithmetic number, because the mean of its divisors is an integer number (848050560).
Almost surely, 231242023001 is an apocalyptic number.
It is an amenable number.
31242023001 is a deficient number, since it is larger than the sum of its proper divisors (23033212839).
31242023001 is a wasteful number, since it uses less digits than its factorization.
31242023001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6643 (or 6637 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 31242023001 its reverse (10032024213), we get a palindrome (41274047214).
The spelling of 31242023001 in words is "thirty-one billion, two hundred forty-two million, twenty-three thousand, one".
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