Base | Representation |
---|---|
bin | 10100011000111010100… |
… | …100111100100110010101 |
3 | 11221221121000001121110112 |
4 | 110120322210330212111 |
5 | 140424014334234141 |
6 | 2551401545532405 |
7 | 203141415235505 |
oct | 24307244744625 |
9 | 4857530047415 |
10 | 1401142102421 |
11 | 4a0248209796 |
12 | 1a76737a4105 |
13 | a2186409319 |
14 | 4bb5c187a05 |
15 | 266a85607eb |
hex | 1463a93c995 |
1401142102421 has 8 divisors (see below), whose sum is σ = 1410495643200. Its totient is φ = 1391789541600.
The previous prime is 1401142102369. The next prime is 1401142102453. The reversal of 1401142102421 is 1242012411041.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1401142102421 - 234 = 1383962233237 is a prime.
It is a super-2 number, since 2×14011421024212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1401142102121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745545 + ... + 3215633.
It is an arithmetic number, because the mean of its divisors is an integer number (176311955400).
Almost surely, 21401142102421 is an apocalyptic number.
It is an amenable number.
1401142102421 is a deficient number, since it is larger than the sum of its proper divisors (9353540779).
1401142102421 is a wasteful number, since it uses less digits than its factorization.
1401142102421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 489979.
The product of its (nonzero) digits is 512, while the sum is 23.
Adding to 1401142102421 its reverse (1242012411041), we get a palindrome (2643154513462).
The spelling of 1401142102421 in words is "one trillion, four hundred one billion, one hundred forty-two million, one hundred two thousand, four hundred twenty-one".
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