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113112219 = 3113792639
BaseRepresentation
bin1101011110111…
…11010010011011
321212211200210110
412233133102123
5212424042334
615120215403
72542303143
oct657372233
9255750713
10113112219
1158937980
1231a6a563
131a584b0c
1411045923
159de4ae9
hex6bdf49b

113112219 has 16 divisors (see below), whose sum is σ = 168975360. Its totient is φ = 66699360.

The previous prime is 113112199. The next prime is 113112283. The reversal of 113112219 is 912211311.

It is a happy number.

It is not a de Polignac number, because 113112219 - 29 = 113111707 is a prime.

It is a super-2 number, since 2×1131122192 = 25588748174207922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113112195 and 113112204.

It is not an unprimeable number, because it can be changed into a prime (113112019) 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, 45099 + ... + 47540.

It is an arithmetic number, because the mean of its divisors is an integer number (10560960).

Almost surely, 2113112219 is an apocalyptic number.

113112219 is a deficient number, since it is larger than the sum of its proper divisors (55863141).

113112219 is a wasteful number, since it uses less digits than its factorization.

113112219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92690.

The product of its digits is 108, while the sum is 21.

The square root of 113112219 is about 10635.4228406773. The cubic root of 113112219 is about 483.6187988910.

It can be divided in two parts, 11311 and 2219, that added together give a triangular number (13530 = T164).

The spelling of 113112219 in words is "one hundred thirteen million, one hundred twelve thousand, two hundred nineteen".

Divisors: 1 3 11 33 37 111 407 1221 92639 277917 1019029 3057087 3427643 10282929 37704073 113112219