Base | Representation |
---|---|
bin | 11001110101011011… |
… | …00011101001000111 |
3 | 1022210121201002022200 |
4 | 30322231203221013 |
5 | 211401200013022 |
6 | 10212144325543 |
7 | 1000465253652 |
oct | 147255435107 |
9 | 38717632280 |
10 | 13869922887 |
11 | 5978234397 |
12 | 28310138b3 |
13 | 1400697282 |
14 | 9580d6899 |
15 | 5629dbbac |
hex | 33ab63a47 |
13869922887 has 12 divisors (see below), whose sum is σ = 20725172520. Its totient is φ = 8927766288.
The previous prime is 13869922831. The next prime is 13869922943. The reversal of 13869922887 is 78822996831.
It is an interprime number because it is at equal distance from previous prime (13869922831) and next prime (13869922943).
It is not a de Polignac number, because 13869922887 - 212 = 13869918791 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13869922387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26570473 + ... + 26570994.
It is an arithmetic number, because the mean of its divisors is an integer number (1727097710).
Almost surely, 213869922887 is an apocalyptic number.
13869922887 is a deficient number, since it is larger than the sum of its proper divisors (6855249633).
13869922887 is a wasteful number, since it uses less digits than its factorization.
13869922887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53141502 (or 53141499 counting only the distinct ones).
The product of its digits is 20901888, while the sum is 63.
The spelling of 13869922887 in words is "thirteen billion, eight hundred sixty-nine million, nine hundred twenty-two thousand, eight hundred eighty-seven".
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