Base | Representation |
---|---|
bin | 1001010011001101… |
… | …00001011111100100 |
3 | 110212222002012211110 |
4 | 10221212201133210 |
5 | 40211142304222 |
6 | 2143235505020 |
7 | 234505135341 |
oct | 45146413744 |
9 | 13788065743 |
10 | 4992931812 |
11 | 213241a630 |
12 | b74158170 |
13 | 61755562b |
14 | 3551817c8 |
15 | 1e350c30c |
hex | 1299a17e4 |
4992931812 has 24 divisors (see below), whose sum is σ = 12709281312. Its totient is φ = 1513009600.
The previous prime is 4992931787. The next prime is 4992931813. The reversal of 4992931812 is 2181392994.
It is not an unprimeable number, because it can be changed into a prime (4992931813) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18912489 + ... + 18912752.
It is an arithmetic number, because the mean of its divisors is an integer number (529553388).
Almost surely, 24992931812 is an apocalyptic number.
It is an amenable number.
4992931812 is an abundant number, since it is smaller than the sum of its proper divisors (7716349500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4992931812 is a wasteful number, since it uses less digits than its factorization.
4992931812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37825259 (or 37825257 counting only the distinct ones).
The product of its digits is 279936, while the sum is 48.
The square root of 4992931812 is about 70660.6808062306. The cubic root of 4992931812 is about 1709.1698045953.
It can be divided in two parts, 499293 and 1812, that added together give a palindrome (501105).
The spelling of 4992931812 in words is "four billion, nine hundred ninety-two million, nine hundred thirty-one thousand, eight hundred twelve".
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