Base | Representation |
---|---|
bin | 10100011000111010100… |
… | …101010111011101000100 |
3 | 11221221121000021012100120 |
4 | 110120322211113131010 |
5 | 140424014401244140 |
6 | 2551401552141540 |
7 | 203141416204266 |
oct | 24307245273504 |
9 | 4857530235316 |
10 | 1401142212420 |
11 | 4a02482843a5 |
12 | 1a76738378b0 |
13 | a2186447402 |
14 | 4bb5c1b5b36 |
15 | 266a85831d0 |
hex | 1463a957744 |
1401142212420 has 48 divisors (see below), whose sum is σ = 3929747875200. Its totient is φ = 373014144256.
The previous prime is 1401142212383. The next prime is 1401142212443. The reversal of 1401142212420 is 242122411041.
It is a happy 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, 19456857 + ... + 19528736.
It is an arithmetic number, because the mean of its divisors is an integer number (81869747400).
Almost surely, 21401142212420 is an apocalyptic number.
1401142212420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1401142212420 is an abundant number, since it is smaller than the sum of its proper divisors (2528605662780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1401142212420 is a wasteful number, since it uses less digits than its factorization.
1401142212420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38986204 (or 38986202 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 24.
Adding to 1401142212420 its reverse (242122411041), we get a palindrome (1643264623461).
The spelling of 1401142212420 in words is "one trillion, four hundred one billion, one hundred forty-two million, two hundred twelve thousand, four hundred twenty".
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