Base | Representation |
---|---|
bin | 1011110010000100111… |
… | …1010101100010001001 |
3 | 201100111002001220101210 |
4 | 2330201033111202021 |
5 | 11304024302201101 |
6 | 232554015203333 |
7 | 20424120141066 |
oct | 2744117254211 |
9 | 640432056353 |
10 | 202421131401 |
11 | 789344a7045 |
12 | 33292516549 |
13 | 1611bac61c8 |
14 | 9b23881c6d |
15 | 53eacc17d6 |
hex | 2f213d5889 |
202421131401 has 8 divisors (see below), whose sum is σ = 275637285504. Its totient is φ = 132076199120.
The previous prime is 202421131399. The next prime is 202421131417. The reversal of 202421131401 is 104131124202.
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 202421131401 - 21 = 202421131399 is a prime.
It is not an unprimeable number, because it can be changed into a prime (202421131501) 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, 717805290 + ... + 717805571.
It is an arithmetic number, because the mean of its divisors is an integer number (34454660688).
Almost surely, 2202421131401 is an apocalyptic number.
It is an amenable number.
202421131401 is a deficient number, since it is larger than the sum of its proper divisors (73216154103).
202421131401 is a wasteful number, since it uses less digits than its factorization.
202421131401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1435610911.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 202421131401 its reverse (104131124202), we get a palindrome (306552255603).
The spelling of 202421131401 in words is "two hundred two billion, four hundred twenty-one million, one hundred thirty-one thousand, four hundred one".
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