Base | Representation |
---|---|
bin | 1110010100100… |
… | …11101000001111 |
3 | 22101001212022201 |
4 | 13022103220033 |
5 | 221224023401 |
6 | 15531022331 |
7 | 2656123150 |
oct | 712235017 |
9 | 271055281 |
10 | 120142351 |
11 | 618a97aa |
12 | 3429a9a7 |
13 | 1bb76964 |
14 | 11d55927 |
15 | a832b01 |
hex | 7293a0f |
120142351 has 8 divisors (see below), whose sum is σ = 137481344. Its totient is φ = 102847320.
The previous prime is 120142333. The next prime is 120142403. The reversal of 120142351 is 153241021.
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 120142351 - 211 = 120140303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120142051) 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, 4905 + ... + 16258.
It is an arithmetic number, because the mean of its divisors is an integer number (17185168).
Almost surely, 2120142351 is an apocalyptic number.
120142351 is a deficient number, since it is larger than the sum of its proper divisors (17338993).
120142351 is an equidigital number, since it uses as much as digits as its factorization.
120142351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21981.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 120142351 is about 10960.9466288273. The cubic root of 120142351 is about 493.4373754369.
Adding to 120142351 its reverse (153241021), we get a palindrome (273383372).
It can be divided in two parts, 12014 and 2351, that added together give a triangular number (14365 = T169).
The spelling of 120142351 in words is "one hundred twenty million, one hundred forty-two thousand, three hundred fifty-one".
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