Base | Representation |
---|---|
bin | 11100111110100011… |
… | …110010110010100100 |
3 | 2222022102010022121000 |
4 | 130332203302302210 |
5 | 1002210232412130 |
6 | 22143240153300 |
7 | 2151020353002 |
oct | 347643626244 |
9 | 88272108530 |
10 | 31114341540 |
11 | 12217264357 |
12 | 6044168830 |
13 | 2c1b1c77a9 |
14 | 171243ba72 |
15 | c21894260 |
hex | 73e8f2ca4 |
31114341540 has 96 divisors (see below), whose sum is σ = 97291877760. Its totient is φ = 8255011968.
The previous prime is 31114341529. The next prime is 31114341569. The reversal of 31114341540 is 4514341113.
31114341540 is a `hidden beast` number, since 3 + 1 + 114 + 3 + 4 + 1 + 540 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
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 31 ways as a sum of consecutive naturals, for example, 39862 + ... + 252621.
It is an arithmetic number, because the mean of its divisors is an integer number (1013457060).
Almost surely, 231114341540 is an apocalyptic number.
31114341540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31114341540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48645938880).
31114341540 is an abundant number, since it is smaller than the sum of its proper divisors (66177536220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31114341540 is a wasteful number, since it uses less digits than its factorization.
31114341540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 292698 (or 292690 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
Adding to 31114341540 its reverse (4514341113), we get a palindrome (35628682653).
The spelling of 31114341540 in words is "thirty-one billion, one hundred fourteen million, three hundred forty-one thousand, five hundred forty".
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