Base | Representation |
---|---|
bin | 100100000100001… |
… | …0011100101100101 |
3 | 10010100002022210102 |
4 | 1020020103211211 |
5 | 4434243340213 |
6 | 320025233445 |
7 | 41662665005 |
oct | 11010234545 |
9 | 3110068712 |
10 | 1210136933 |
11 | 5710aa875 |
12 | 299332885 |
13 | 163933475 |
14 | b6a0c005 |
15 | 7138e158 |
hex | 48213965 |
1210136933 has 4 divisors (see below), whose sum is σ = 1210633920. Its totient is φ = 1209639948.
The previous prime is 1210136869. The next prime is 1210136947. The reversal of 1210136933 is 3396310121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3396310121 = 31 ⋅109558391.
It is a cyclic number.
It is not a de Polignac number, because 1210136933 - 26 = 1210136869 is a prime.
It is a super-2 number, since 2×12101369332 = 2928862793221292978, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1210136896 and 1210136905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1210136233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244823 + ... + 249716.
It is an arithmetic number, because the mean of its divisors is an integer number (302658480).
Almost surely, 21210136933 is an apocalyptic number.
It is an amenable number.
1210136933 is a deficient number, since it is larger than the sum of its proper divisors (496987).
1210136933 is an equidigital number, since it uses as much as digits as its factorization.
1210136933 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 496986.
The product of its (nonzero) digits is 2916, while the sum is 29.
The square root of 1210136933 is about 34787.0224796547. The cubic root of 1210136933 is about 1065.6424325261.
The spelling of 1210136933 in words is "one billion, two hundred ten million, one hundred thirty-six thousand, nine hundred thirty-three".
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