Search a number
-
+
121161703 = 1317548243
BaseRepresentation
bin1110011100011…
…00011111100111
322102222122121111
413032030133213
5222004133303
620004525451
73000600055
oct716143747
9272878544
10121161703
1162435643
12346b0887
131c142920
141213d1d5
15a984b6d
hex738c7e7

121161703 has 8 divisors (see below), whose sum is σ = 138157488. Its totient is φ = 105262464.

The previous prime is 121161697. The next prime is 121161731. The reversal of 121161703 is 307161121.

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 121161703 - 217 = 121030631 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121162703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273901 + ... + 274342.

It is an arithmetic number, because the mean of its divisors is an integer number (17269686).

Almost surely, 2121161703 is an apocalyptic number.

121161703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121161703 is a deficient number, since it is larger than the sum of its proper divisors (16995785).

121161703 is a wasteful number, since it uses less digits than its factorization.

121161703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548273.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 121161703 is about 11007.3476823438. The cubic root of 121161703 is about 494.8289760500.

The spelling of 121161703 in words is "one hundred twenty-one million, one hundred sixty-one thousand, seven hundred three".

Divisors: 1 13 17 221 548243 7127159 9320131 121161703