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212203113 = 3267726423
BaseRepresentation
bin11001010010111…
…11011001101001
3112210022000221120
430221133121221
5413310444423
633020125453
75154460653
oct1451373151
9483260846
10212203113
11a9868381
125b096889
1334c6a895
142027b6d3
1513969ee3
hexca5f669

212203113 has 8 divisors (see below), whose sum is σ = 283053888. Its totient is φ = 141410544.

The previous prime is 212203097. The next prime is 212203139. The reversal of 212203113 is 311302212.

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

It is not a de Polignac number, because 212203113 - 24 = 212203097 is a prime.

It is a super-2 number, since 2×2122031132 = 90060322333781538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212203092 and 212203101.

It is not an unprimeable number, because it can be changed into a prime (212203193) 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, 5181 + ... + 21242.

It is an arithmetic number, because the mean of its divisors is an integer number (35381736).

Almost surely, 2212203113 is an apocalyptic number.

It is an amenable number.

212203113 is a deficient number, since it is larger than the sum of its proper divisors (70850775).

212203113 is a wasteful number, since it uses less digits than its factorization.

212203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29103.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 212203113 is about 14567.1930377818. The cubic root of 212203113 is about 596.4635608376.

Adding to 212203113 its reverse (311302212), we get a palindrome (523505325).

Subtracting 212203113 from its reverse (311302212), we obtain a palindrome (99099099).

The spelling of 212203113 in words is "two hundred twelve million, two hundred three thousand, one hundred thirteen".

Divisors: 1 3 2677 8031 26423 79269 70734371 212203113