Base | Representation |
---|---|
bin | 100101001000110… |
… | …1001101011010100 |
3 | 10012211211112021120 |
4 | 1022101221223110 |
5 | 10023003004030 |
6 | 323353043540 |
7 | 42611011356 |
oct | 11221515324 |
9 | 3184745246 |
10 | 1246141140 |
11 | 58a461312 |
12 | 2a93b65b0 |
13 | 16b22b32a |
14 | bb7010d6 |
15 | 74602010 |
hex | 4a469ad4 |
1246141140 has 48 divisors (see below), whose sum is σ = 3694444992. Its totient is φ = 312756736.
The previous prime is 1246141133. The next prime is 1246141151. The reversal of 1246141140 is 411416421.
It is a self number, because there is not a number n which added to its sum of digits gives 1246141140.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609834 + ... + 611873.
It is an arithmetic number, because the mean of its divisors is an integer number (76967604).
Almost surely, 21246141140 is an apocalyptic number.
1246141140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1246141140 is an abundant number, since it is smaller than the sum of its proper divisors (2448303852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1246141140 is a wasteful number, since it uses less digits than its factorization.
1246141140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1221736 (or 1221734 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 1246141140 is about 35300.7243551744. The cubic root of 1246141140 is about 1076.1077141423.
Adding to 1246141140 its reverse (411416421), we get a palindrome (1657557561).
The spelling of 1246141140 in words is "one billion, two hundred forty-six million, one hundred forty-one thousand, one hundred forty".
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