Base | Representation |
---|---|
bin | 11101001001110100… |
… | …011011000001110010 |
3 | 2222210120120212022220 |
4 | 131021310123001302 |
5 | 1003102113000114 |
6 | 22214105141510 |
7 | 2155503143430 |
oct | 351164330162 |
9 | 88716525286 |
10 | 31303250034 |
11 | 12303961081 |
12 | 609748a896 |
13 | 2c4b39a474 |
14 | 172d573d50 |
15 | c3325c0a9 |
hex | 749d1b072 |
31303250034 has 16 divisors (see below), whose sum is σ = 71550285888. Its totient is φ = 8943785712.
The previous prime is 31303250021. The next prime is 31303250057. The reversal of 31303250034 is 43005230313.
It is a happy number.
It is a super-2 number, since 2×313032500342 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31303249986 and 31303250013.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 372657697 + ... + 372657780.
It is an arithmetic number, because the mean of its divisors is an integer number (4471892868).
Almost surely, 231303250034 is an apocalyptic number.
31303250034 is an abundant number, since it is smaller than the sum of its proper divisors (40247035854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31303250034 is a wasteful number, since it uses less digits than its factorization.
31303250034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 745315489.
The product of its (nonzero) digits is 3240, while the sum is 24.
Adding to 31303250034 its reverse (43005230313), we get a palindrome (74308480347).
The spelling of 31303250034 in words is "thirty-one billion, three hundred three million, two hundred fifty thousand, thirty-four".
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