Base | Representation |
---|---|
bin | 111001111000011… |
… | …1111101101100000 |
3 | 12000100122012001120 |
4 | 1303300333231200 |
5 | 12434202124322 |
6 | 520420332240 |
7 | 66062425542 |
oct | 16360775540 |
9 | 5010565046 |
10 | 1942223712 |
11 | 907375470 |
12 | 462544080 |
13 | 24c4c8600 |
14 | 145d39692 |
15 | b579da5c |
hex | 73c3fb60 |
1942223712 has 144 divisors (see below), whose sum is σ = 6023118528. Its totient is φ = 543229440.
The previous prime is 1942223711. The next prime is 1942223737. The reversal of 1942223712 is 2173222491.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1942223711) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173023 + ... + 183905.
It is an arithmetic number, because the mean of its divisors is an integer number (41827212).
Almost surely, 21942223712 is an apocalyptic number.
1942223712 is a gapful number since it is divisible by the number (12) 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 1942223712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3011559264).
1942223712 is an abundant number, since it is smaller than the sum of its proper divisors (4080894816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1942223712 is a wasteful number, since it uses less digits than its factorization.
1942223712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10933 (or 10912 counting only the distinct ones).
The product of its digits is 12096, while the sum is 33.
The square root of 1942223712 is about 44070.6672515858. The cubic root of 1942223712 is about 1247.6700516643.
It can be divided in two parts, 19422 and 23712, that added together give a palindrome (43134).
The spelling of 1942223712 in words is "one billion, nine hundred forty-two million, two hundred twenty-three thousand, seven hundred twelve".
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