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202112013 = 3971634261
BaseRepresentation
bin11000000101111…
…11110000001101
3112002022100120010
430002333300031
5403220041023
632015543433
75002631565
oct1402776015
9462270503
10202112013
11a40a5824
125782ab79
1332b4670c
141cbb1da5
1512b25093
hexc0bfc0d

202112013 has 16 divisors (see below), whose sum is σ = 273995456. Its totient is φ = 132503040.

The previous prime is 202112003. The next prime is 202112039. The reversal of 202112013 is 310211202.

202112013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202112013 - 25 = 202111981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202112013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112003) 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, 45303 + ... + 49563.

It is an arithmetic number, because the mean of its divisors is an integer number (17124716).

Almost surely, 2202112013 is an apocalyptic number.

It is an amenable number.

202112013 is a deficient number, since it is larger than the sum of its proper divisors (71883443).

202112013 is a wasteful number, since it uses less digits than its factorization.

202112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 202112013 is about 14216.6104610065. The cubic root of 202112013 is about 586.8548649753.

Adding to 202112013 its reverse (310211202), we get a palindrome (512323215).

The spelling of 202112013 in words is "two hundred two million, one hundred twelve thousand, thirteen".

Divisors: 1 3 97 163 291 489 4261 12783 15811 47433 413317 694543 1239951 2083629 67370671 202112013