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210112013 = 1913078461
BaseRepresentation
bin11001000011000…
…00111000001101
3112122100210111102
430201200320031
5412242041023
632503232445
75130631316
oct1441407015
9478323442
10210112013
11a866a2a1
125a448725
13346b7b47
141dc9560d
15136a5628
hexc860e0d

210112013 has 8 divisors (see below), whose sum is σ = 221365920. Its totient is φ = 198877680.

The previous prime is 210111971. The next prime is 210112037. The reversal of 210112013 is 310211012.

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 210112013 - 222 = 205917709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210111985 and 210112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20603 + ... + 29063.

It is an arithmetic number, because the mean of its divisors is an integer number (27670740).

Almost surely, 2210112013 is an apocalyptic number.

It is an amenable number.

210112013 is a deficient number, since it is larger than the sum of its proper divisors (11253907).

210112013 is a wasteful number, since it uses less digits than its factorization.

210112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9787.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 210112013 is about 14495.2410466332. The cubic root of 210112013 is about 594.4978584806.

Adding to 210112013 its reverse (310211012), we get a palindrome (520323025).

The spelling of 210112013 in words is "two hundred ten million, one hundred twelve thousand, thirteen".

Divisors: 1 19 1307 8461 24833 160759 11058527 210112013