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111213069 = 3113370093
BaseRepresentation
bin1101010000011…
…11101000001101
321202021012122120
412220033220031
5211432304234
615011403153
72520203232
oct650175015
9252235576
10111213069
1157860030
12312b34b9
131a06b566
1410aad789
159b6c049
hex6a0fa0d

111213069 has 8 divisors (see below), whose sum is σ = 161764512. Its totient is φ = 67401840.

The previous prime is 111213049. The next prime is 111213077. The reversal of 111213069 is 960312111.

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

It is not a de Polignac number, because 111213069 - 211 = 111211021 is a prime.

It is a super-2 number, since 2×1112130692 = 24736693432797522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213049) 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, 1685014 + ... + 1685079.

It is an arithmetic number, because the mean of its divisors is an integer number (20220564).

Almost surely, 2111213069 is an apocalyptic number.

It is an amenable number.

111213069 is a deficient number, since it is larger than the sum of its proper divisors (50551443).

111213069 is a wasteful number, since it uses less digits than its factorization.

111213069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370107.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 111213069 is about 10545.7607122483. The cubic root of 111213069 is about 480.8968605352.

The spelling of 111213069 in words is "one hundred eleven million, two hundred thirteen thousand, sixty-nine".

Divisors: 1 3 11 33 3370093 10110279 37071023 111213069