Base | Representation |
---|---|
bin | 1011111110100110… |
… | …0011101000111110 |
3 | 22022002020022020000 |
4 | 2333221203220332 |
5 | 23041111422032 |
6 | 1251015535130 |
7 | 142451646225 |
oct | 27751435076 |
9 | 8262208200 |
10 | 3215342142 |
11 | 13aaa82161 |
12 | 75898a4a6 |
13 | 3c31b0b1c |
14 | 22705dcbc |
15 | 13c42de7c |
hex | bfa63a3e |
3215342142 has 40 divisors (see below), whose sum is σ = 7274734896. Its totient is φ = 1061369568.
The previous prime is 3215342111. The next prime is 3215342161. The reversal of 3215342142 is 2412435123.
It is a super-2 number, since 2×32153421422 = 20676850180242296328, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79663 + ... + 113034.
Almost surely, 23215342142 is an apocalyptic number.
3215342142 is an abundant number, since it is smaller than the sum of its proper divisors (4059392754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3215342142 is a wasteful number, since it uses less digits than its factorization.
3215342142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192814 (or 192805 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 3215342142 is about 56703.9870026791. The cubic root of 3215342142 is about 1475.9638847003.
Adding to 3215342142 its reverse (2412435123), we get a palindrome (5627777265).
The spelling of 3215342142 in words is "three billion, two hundred fifteen million, three hundred forty-two thousand, one hundred forty-two".
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