Base | Representation |
---|---|
bin | 1111111101111… |
… | …01011100111111 |
3 | 100100001010012112 |
4 | 13332331130333 |
5 | 233242221101 |
6 | 21142524235 |
7 | 3214341434 |
oct | 776753477 |
9 | 310033175 |
10 | 133945151 |
11 | 69676a7a |
12 | 38a3667b |
13 | 2199a3b2 |
14 | 13b09b8b |
15 | bb5c6bb |
hex | 7fbd73f |
133945151 has 8 divisors (see below), whose sum is σ = 138121200. Its totient is φ = 129830272.
The previous prime is 133945139. The next prime is 133945157. The reversal of 133945151 is 151549331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 133945151 - 218 = 133683007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133945157) 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, 10826 + ... + 19623.
It is an arithmetic number, because the mean of its divisors is an integer number (17265150).
Almost surely, 2133945151 is an apocalyptic number.
133945151 is a deficient number, since it is larger than the sum of its proper divisors (4176049).
133945151 is an equidigital number, since it uses as much as digits as its factorization.
133945151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30585.
The product of its digits is 8100, while the sum is 32.
The square root of 133945151 is about 11573.4675443447. The cubic root of 133945151 is about 511.6531655247.
The spelling of 133945151 in words is "one hundred thirty-three million, nine hundred forty-five thousand, one hundred fifty-one".
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