Base | Representation |
---|---|
bin | 10100000101001110011… |
… | …01011111101010100001 |
3 | 2102222000021220211210022 |
4 | 22002213031133222201 |
5 | 42301110011200001 |
6 | 1244552012443225 |
7 | 100564563036062 |
oct | 12024715375241 |
9 | 2388007824708 |
10 | 690000100001 |
11 | 24669a082833 |
12 | b1887779515 |
13 | 500b37b6154 |
14 | 255791aa569 |
15 | 12e3621911b |
hex | a0a735faa1 |
690000100001 has 4 divisors (see below), whose sum is σ = 690015989952. Its totient is φ = 689984210052.
The previous prime is 690000099967. The next prime is 690000100051. The reversal of 690000100001 is 100001000096.
690000100001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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.
It is a cyclic number.
It is not a de Polignac number, because 690000100001 - 26 = 690000099937 is a prime.
It is a super-2 number, since 2×6900001000012 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
690000100001 is a modest number, since divided by 100001 gives 69 as remainder.
It is not an unprimeable number, because it can be changed into a prime (690000100051) 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, 7879661 + ... + 7966746.
It is an arithmetic number, because the mean of its divisors is an integer number (172503997488).
Almost surely, 2690000100001 is an apocalyptic number.
It is an amenable number.
690000100001 is a deficient number, since it is larger than the sum of its proper divisors (15889951).
690000100001 is a wasteful number, since it uses less digits than its factorization.
690000100001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15889950.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 690000100001 its reverse (100001000096), we get a palindrome (790001100097).
The spelling of 690000100001 in words is "six hundred ninety billion, one hundred thousand, one".
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