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120230133 = 3143327967
BaseRepresentation
bin1110010101010…
…01000011110101
322101020022201220
413022221003311
5221234331013
615532540553
72656640112
oct712510365
9271208656
10120230133
1161959751
1234321759
131bba78ba
1411d79909
15a84db23
hex72a90f5

120230133 has 8 divisors (see below), whose sum is σ = 160424448. Its totient is φ = 80094624.

The previous prime is 120230113. The next prime is 120230153. The reversal of 120230133 is 331032021.

It is an interprime number because it is at equal distance from previous prime (120230113) and next prime (120230153).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120230133 - 217 = 120099061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120230113) 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, 9685 + ... + 18282.

It is an arithmetic number, because the mean of its divisors is an integer number (20053056).

Almost surely, 2120230133 is an apocalyptic number.

It is an amenable number.

120230133 is a deficient number, since it is larger than the sum of its proper divisors (40194315).

120230133 is a wasteful number, since it uses less digits than its factorization.

120230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29403.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 120230133 is about 10964.9502050853. The cubic root of 120230133 is about 493.5575228405.

Adding to 120230133 its reverse (331032021), we get a palindrome (451262154).

The spelling of 120230133 in words is "one hundred twenty million, two hundred thirty thousand, one hundred thirty-three".

Divisors: 1 3 1433 4299 27967 83901 40076711 120230133