Base | Representation |
---|---|
bin | 11011101111011101010… |
… | …110011100110001110100 |
3 | 20202020201012010112110102 |
4 | 123233131112130301310 |
5 | 222213233321140113 |
6 | 4015440352413232 |
7 | 254505656003342 |
oct | 33573526346164 |
9 | 6666635115412 |
10 | 1906384161908 |
11 | 675547184056 |
12 | 269578247218 |
13 | 10aa045a8035 |
14 | 683ab67c992 |
15 | 348c94b1758 |
hex | 1bbdd59cc74 |
1906384161908 has 24 divisors (see below), whose sum is σ = 3368998965024. Its totient is φ = 943858893600.
The previous prime is 1906384161901. The next prime is 1906384161931. The reversal of 1906384161908 is 8091614836091.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1906384161901) 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, 5566598 + ... + 5899133.
It is an arithmetic number, because the mean of its divisors is an integer number (140374956876).
Almost surely, 21906384161908 is an apocalyptic number.
It is an amenable number.
1906384161908 is a deficient number, since it is larger than the sum of its proper divisors (1462614803116).
1906384161908 is a wasteful number, since it uses less digits than its factorization.
1906384161908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11466143 (or 11466141 counting only the distinct ones).
The product of its (nonzero) digits is 2239488, while the sum is 56.
Adding to 1906384161908 its reverse (8091614836091), we get a palindrome (9997998997999).
The spelling of 1906384161908 in words is "one trillion, nine hundred six billion, three hundred eighty-four million, one hundred sixty-one thousand, nine hundred eight".
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