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1113011213 = 29101379997
BaseRepresentation
bin100001001010111…
…0011010000001101
32212120022211100112
41002111303100031
54234412324323
6302235405405
736403303436
oct10225632015
92776284315
101113011213
115212a1886
122708b3865
13149788022
14a7b6848d
1567aa6178
hex4257340d

1113011213 has 8 divisors (see below), whose sum is σ = 1162793880. Its totient is φ = 1063988800.

The previous prime is 1113011167. The next prime is 1113011257. The reversal of 1113011213 is 3121103111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 517016644 + 595994569 = 22738^2 + 24413^2 .

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 1113011213 - 26 = 1113011149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110011213) by changing a digit.

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, 187070 + ... + 192927.

It is an arithmetic number, because the mean of its divisors is an integer number (145349235).

Almost surely, 21113011213 is an apocalyptic number.

It is an amenable number.

1113011213 is a deficient number, since it is larger than the sum of its proper divisors (49782667).

1113011213 is a wasteful number, since it uses less digits than its factorization.

1113011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380127.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1113011213 is about 33361.8226870176. The cubic root of 1113011213 is about 1036.3342382567.

Adding to 1113011213 its reverse (3121103111), we get a palindrome (4234114324).

The spelling of 1113011213 in words is "one billion, one hundred thirteen million, eleven thousand, two hundred thirteen".

Divisors: 1 29 101 2929 379997 11019913 38379697 1113011213