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113222312220 = 22351887038537
BaseRepresentation
bin110100101110010010…
…0110110000100011100
3101211020122202101202010
41221130210312010130
53323334402442340
6124002535031220
711115516526503
oct1513444660434
9354218671663
10113222312220
1144021052a66
1219b39b0b510
13a8a4c7b424
1456a113983a
152e29e51b80
hex1a5c93611c

113222312220 has 24 divisors (see below), whose sum is σ = 317022474384. Its totient is φ = 30192616576.

The previous prime is 113222312213. The next prime is 113222312237. The reversal of 113222312220 is 22213222311.

113222312220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1132223122202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943519209 + ... + 943519328.

It is an arithmetic number, because the mean of its divisors is an integer number (13209269766).

Almost surely, 2113222312220 is an apocalyptic number.

113222312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113222312220 is an abundant number, since it is smaller than the sum of its proper divisors (203800162164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113222312220 is a wasteful number, since it uses less digits than its factorization.

113222312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887038549 (or 1887038547 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 113222312220 its reverse (22213222311), we get a palindrome (135435534531).

The spelling of 113222312220 in words is "one hundred thirteen billion, two hundred twenty-two million, three hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1887038537 3774077074 5661115611 7548154148 9435192685 11322231222 18870385370 22644462444 28305578055 37740770740 56611156110 113222312220