Base | Representation |
---|---|
bin | 11100101110100001011… |
… | …01100010011100000111 |
3 | 10111100202011001000020212 |
4 | 32113100231202130013 |
5 | 112132434032444010 |
6 | 2033235531550035 |
7 | 131211665666036 |
oct | 16272055423407 |
9 | 3440664030225 |
10 | 987049109255 |
11 | 350672543000 |
12 | 13b3688bb31b |
13 | 7210312c991 |
14 | 35ab842271d |
15 | 1aa1e7b5505 |
hex | e5d0b62707 |
987049109255 has 16 divisors (see below), whose sum is σ = 1302815842848. Its totient is φ = 717853892800.
The previous prime is 987049109239. The next prime is 987049109281. The reversal of 987049109255 is 552901940789.
987049109255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 987049109255 - 24 = 987049109239 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 987049109194 and 987049109203.
It is a congruent 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, 74151806 + ... + 74165115.
It is an arithmetic number, because the mean of its divisors is an integer number (81425990178).
Almost surely, 2987049109255 is an apocalyptic number.
987049109255 is a deficient number, since it is larger than the sum of its proper divisors (315766733593).
987049109255 is a wasteful number, since it uses less digits than its factorization.
987049109255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148316959 (or 148316937 counting only the distinct ones).
The product of its (nonzero) digits is 8164800, while the sum is 59.
The spelling of 987049109255 in words is "nine hundred eighty-seven billion, forty-nine million, one hundred nine thousand, two hundred fifty-five".
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