Search a number
-
+
101111930 = 2539725469
BaseRepresentation
bin1100000011011…
…01100001111010
321001021000111022
412001231201322
5201341040210
614011102442
72335302653
oct601554172
9231230438
10101111930
1152090987
1229a41a22
1317c4295a
14d60052a
158d24155
hex606d87a

101111930 has 16 divisors (see below), whose sum is σ = 182467080. Its totient is φ = 40341312.

The previous prime is 101111917. The next prime is 101112013. The reversal of 101111930 is 39111101.

It can be written as a sum of positive squares in 4 ways, for example, as 96098809 + 5013121 = 9803^2 + 2239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101111899 and 101111908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8765 + ... + 16704.

Almost surely, 2101111930 is an apocalyptic number.

101111930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111930 is a deficient number, since it is larger than the sum of its proper divisors (81355150).

101111930 is a wasteful number, since it uses less digits than its factorization.

101111930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25873.

The product of its (nonzero) digits is 27, while the sum is 17.

The square root of 101111930 is about 10055.4428047700. The cubic root of 101111930 is about 465.8729199673.

The spelling of 101111930 in words is "one hundred one million, one hundred eleven thousand, nine hundred thirty".

Divisors: 1 2 5 10 397 794 1985 3970 25469 50938 127345 254690 10111193 20222386 50555965 101111930