Base | Representation |
---|---|
bin | 1100111110110010011… |
… | …1000101101100000011 |
3 | 210022122011022022110100 |
4 | 3033230213011230003 |
5 | 12123212312030422 |
6 | 250241210333443 |
7 | 22053320145156 |
oct | 3175447055403 |
9 | 708564268410 |
10 | 223013001987 |
11 | 86641031206 |
12 | 3727a72a283 |
13 | 18050cb1409 |
14 | ab185d5c9d |
15 | 5c039a17ac |
hex | 33ec9c5b03 |
223013001987 has 12 divisors (see below), whose sum is σ = 326666933424. Its totient is φ = 146581315440.
The previous prime is 223013001979. The next prime is 223013001997. The reversal of 223013001987 is 789100310322.
It is not a de Polignac number, because 223013001987 - 23 = 223013001979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (223013001997) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174500928 + ... + 174502205.
It is an arithmetic number, because the mean of its divisors is an integer number (27222244452).
Almost surely, 2223013001987 is an apocalyptic number.
223013001987 is a deficient number, since it is larger than the sum of its proper divisors (103653931437).
223013001987 is a wasteful number, since it uses less digits than its factorization.
223013001987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349003210 (or 349003207 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The spelling of 223013001987 in words is "two hundred twenty-three billion, thirteen million, one thousand, nine hundred eighty-seven".
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