Base | Representation |
---|---|
bin | 10101011101011110… |
… | …100110111001111000 |
3 | 2012110220201212020120 |
4 | 111131132212321320 |
5 | 334143021004430 |
6 | 14330314253240 |
7 | 1444013316540 |
oct | 253536467170 |
9 | 65426655216 |
10 | 23043141240 |
11 | 9855286089 |
12 | 4571127220 |
13 | 2232cb5722 |
14 | 118851c320 |
15 | 8eced2610 |
hex | 55d7a6e78 |
23043141240 has 128 divisors (see below), whose sum is σ = 79143644160. Its totient is φ = 5257764864.
The previous prime is 23043141223. The next prime is 23043141293. The reversal of 23043141240 is 4214134032.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 23043141240.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460909 + ... + 508451.
It is an arithmetic number, because the mean of its divisors is an integer number (618309720).
Almost surely, 223043141240 is an apocalyptic number.
23043141240 is a gapful number since it is divisible by the number (20) 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 23043141240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39571822080).
23043141240 is an abundant number, since it is smaller than the sum of its proper divisors (56100502920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23043141240 is a wasteful number, since it uses less digits than its factorization.
23043141240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48141 (or 48137 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 23043141240 its reverse (4214134032), we get a palindrome (27257275272).
The spelling of 23043141240 in words is "twenty-three billion, forty-three million, one hundred forty-one thousand, two hundred forty".
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