Base | Representation |
---|---|
bin | 1111110110101… |
… | …10101101010011 |
3 | 100021021002201122 |
4 | 13323112231103 |
5 | 233022000034 |
6 | 21110352455 |
7 | 3203324105 |
oct | 773265523 |
9 | 307232648 |
10 | 133000019 |
11 | 69090979 |
12 | 3865b72b |
13 | 21729149 |
14 | 13941575 |
15 | ba2262e |
hex | 7ed6b53 |
133000019 has 8 divisors (see below), whose sum is σ = 140714640. Its totient is φ = 125356896.
The previous prime is 133000009. The next prime is 133000033. The reversal of 133000019 is 910000331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-133000019 is a prime.
It is a super-2 number, since 2×1330000192 = 35378010108000722, 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 = 132999970 and 133000006.
It is not an unprimeable number, because it can be changed into a prime (133000009) 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, 14024 + ... + 21509.
It is an arithmetic number, because the mean of its divisors is an integer number (17589330).
Almost surely, 2133000019 is an apocalyptic number.
133000019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
133000019 is a deficient number, since it is larger than the sum of its proper divisors (7714621).
133000019 is a wasteful number, since it uses less digits than its factorization.
133000019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35749.
The product of its (nonzero) digits is 81, while the sum is 17.
The square root of 133000019 is about 11532.5634184252. The cubic root of 133000019 is about 510.4468965071.
The spelling of 133000019 in words is "one hundred thirty-three million, nineteen", and thus it is an aban number.
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