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120211413 = 3710952517
BaseRepresentation
bin1110010101001…
…00011111010101
322101012101001120
413022210133111
5221233231123
615532314153
72656531410
oct712443725
9271171046
10120211413
1161946683
1234312959
131bb9c21a
1411d72b77
15a8482e3
hex72a47d5

120211413 has 16 divisors (see below), whose sum is σ = 184863360. Its totient is φ = 68060736.

The previous prime is 120211391. The next prime is 120211433. The reversal of 120211413 is 314112021.

It is not a de Polignac number, because 120211413 - 217 = 120080341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120211392 and 120211401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23970 + ... + 28547.

It is an arithmetic number, because the mean of its divisors is an integer number (11553960).

Almost surely, 2120211413 is an apocalyptic number.

It is an amenable number.

120211413 is a deficient number, since it is larger than the sum of its proper divisors (64651947).

120211413 is a wasteful number, since it uses less digits than its factorization.

120211413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52636.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 120211413 is about 10964.0965428073. The cubic root of 120211413 is about 493.5319056452.

Adding to 120211413 its reverse (314112021), we get a palindrome (434323434).

The spelling of 120211413 in words is "one hundred twenty million, two hundred eleven thousand, four hundred thirteen".

Divisors: 1 3 7 21 109 327 763 2289 52517 157551 367619 1102857 5724353 17173059 40070471 120211413