Base | Representation |
---|---|
bin | 11001110101110110010… |
… | …00011000111000001101 |
3 | 10010212211110202201111112 |
4 | 30322323020120320031 |
5 | 104021411104121141 |
6 | 1515521422301405 |
7 | 121102026200006 |
oct | 14727310307015 |
9 | 3125743681445 |
10 | 887902801421 |
11 | 312614a90519 |
12 | 1240b8a27865 |
13 | 65962451c3c |
14 | 30d909061ad |
15 | 1816a4ab7eb |
hex | cebb218e0d |
887902801421 has 16 divisors (see below), whose sum is σ = 932635057536. Its totient is φ = 843698059776.
The previous prime is 887902801399. The next prime is 887902801427. The reversal of 887902801421 is 124108209788.
887902801421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 887902801421 - 210 = 887902800397 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 887902801421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (887902801427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2129126 + ... + 2511768.
It is an arithmetic number, because the mean of its divisors is an integer number (58289691096).
Almost surely, 2887902801421 is an apocalyptic number.
It is an amenable number.
887902801421 is a deficient number, since it is larger than the sum of its proper divisors (44732256115).
887902801421 is a wasteful number, since it uses less digits than its factorization.
887902801421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 383332.
The product of its (nonzero) digits is 516096, while the sum is 50.
The spelling of 887902801421 in words is "eight hundred eighty-seven billion, nine hundred two million, eight hundred one thousand, four hundred twenty-one".
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