| Base | Representation |
|---|---|
| bin | 1000010100001000… |
| … | …1101111111101100 |
| 3 | 12202112210212122110 |
| 4 | 2011002031333230 |
| 5 | 14032334420330 |
| 6 | 1005250244020 |
| 7 | 106211162523 |
| oct | 20502157754 |
| 9 | 5675725573 |
| 10 | 2231951340 |
| 11 | a45973093 |
| 12 | 523586610 |
| 13 | 29753a888 |
| 14 | 1725d74ba |
| 15 | d0e2ddb0 |
| hex | 8508dfec |
2231951340 has 96 divisors (see below), whose sum is σ = 6376366080. Its totient is φ = 583220736.
The previous prime is 2231951329. The next prime is 2231951347. The reversal of 2231951340 is 431591322.
2231951340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×22319513403 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 2231951298 and 2231951307.
It is not an unprimeable number, because it can be changed into a prime (2231951347) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630696 + ... + 634224.
It is an arithmetic number, because the mean of its divisors is an integer number (66420480).
Almost surely, 22231951340 is an apocalyptic number.
2231951340 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 2231951340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3188183040).
2231951340 is an abundant number, since it is smaller than the sum of its proper divisors (4144414740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231951340 is a wasteful number, since it uses less digits than its factorization.
2231951340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3751 (or 3749 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 2231951340 is about 47243.5322557490. The cubic root of 2231951340 is about 1306.8575183131.
The spelling of 2231951340 in words is "two billion, two hundred thirty-one million, nine hundred fifty-one thousand, three hundred forty".
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