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11210013 = 321245557
BaseRepresentation
bin101010110000…
…110100011101
3210002112020200
4222300310131
510332210023
61040134113
7164166153
oct52606435
923075220
1011210013
116367281
123907339
132426559
1416bb3d3
15eb6743
hexab0d1d

11210013 has 6 divisors (see below), whose sum is σ = 16192254. Its totient is φ = 7473336.

The previous prime is 11210011. The next prime is 11210029. The reversal of 11210013 is 31001211.

11210013 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11108889 + 101124 = 3333^2 + 318^2 .

It is not a de Polignac number, because 11210013 - 21 = 11210011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1245557 = 11210013 / (1 + 1 + 2 + 1 + 0 + 0 + 1 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 11209977 and 11210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622770 + ... + 622787.

It is an arithmetic number, because the mean of its divisors is an integer number (2698709).

Almost surely, 211210013 is an apocalyptic number.

It is an amenable number.

11210013 is a deficient number, since it is larger than the sum of its proper divisors (4982241).

11210013 is a wasteful number, since it uses less digits than its factorization.

11210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245563 (or 1245560 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11210013 is about 3348.1357499361. The cubic root of 11210013 is about 223.8044437493.

Adding to 11210013 its reverse (31001211), we get a palindrome (42211224).

The spelling of 11210013 in words is "eleven million, two hundred ten thousand, thirteen".

Divisors: 1 3 9 1245557 3736671 11210013