Base | Representation |
---|---|
bin | 11101001001101000… |
… | …011111011100111000 |
3 | 2222210100200222001111 |
4 | 131021220133130320 |
5 | 1003100312404144 |
6 | 22213514130104 |
7 | 2155434436144 |
oct | 351150373470 |
9 | 88710628044 |
10 | 31300122424 |
11 | 1230211527a |
12 | 6096420934 |
13 | 2c4a8439cc |
14 | 172cd9c224 |
15 | c32d40534 |
hex | 749a1f738 |
31300122424 has 64 divisors (see below), whose sum is σ = 64892197440. Its totient is φ = 14078085120.
The previous prime is 31300122323. The next prime is 31300122431. The reversal of 31300122424 is 42422100313.
It is a junction number, because it is equal to n+sod(n) for n = 31300122395 and 31300122404.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5067402 + ... + 5073574.
It is an arithmetic number, because the mean of its divisors is an integer number (1013940585).
Almost surely, 231300122424 is an apocalyptic number.
31300122424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
31300122424 is an abundant number, since it is smaller than the sum of its proper divisors (33592075016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31300122424 is a wasteful number, since it uses less digits than its factorization.
31300122424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7840 (or 7836 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 31300122424 its reverse (42422100313), we get a palindrome (73722222737).
The spelling of 31300122424 in words is "thirty-one billion, three hundred million, one hundred twenty-two thousand, four hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •