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120200313 = 3149926729
BaseRepresentation
bin1110010101000…
…01110001111001
322101011210211110
413022201301321
5221232402223
615532150533
72656454142
oct712416171
9271153743
10120200313
1161939302
1234308449
131bb9715c
1411d6cac9
15a844d93
hex72a1c79

120200313 has 8 divisors (see below), whose sum is σ = 160380000. Its totient is φ = 80077088.

The previous prime is 120200281. The next prime is 120200321. The reversal of 120200313 is 313002021.

It is a happy number.

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 120200313 - 25 = 120200281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120200393) 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, 8868 + ... + 17861.

It is an arithmetic number, because the mean of its divisors is an integer number (20047500).

Almost surely, 2120200313 is an apocalyptic number.

It is an amenable number.

120200313 is a deficient number, since it is larger than the sum of its proper divisors (40179687).

120200313 is a wasteful number, since it uses less digits than its factorization.

120200313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28231.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 120200313 is about 10963.5903334628. The cubic root of 120200313 is about 493.5167147061.

Adding to 120200313 its reverse (313002021), we get a palindrome (433202334).

The spelling of 120200313 in words is "one hundred twenty million, two hundred thousand, three hundred thirteen".

Divisors: 1 3 1499 4497 26729 80187 40066771 120200313