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2213102120 = 23555327553
BaseRepresentation
bin1000001111101001…
…0100001000101000
312201020100020101012
42003322110020220
514013023231440
61003334243052
7105562025525
oct20372241050
95636306335
102213102120
11a36269419
125191b6488
1329366b1a8
1416dccc14c
15ce458e65
hex83e94228

2213102120 has 16 divisors (see below), whose sum is σ = 4979479860. Its totient is φ = 885240832.

The previous prime is 2213102119. The next prime is 2213102149. The reversal of 2213102120 is 212013122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2175476164 + 37625956 = 46642^2 + 6134^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2213102095 and 2213102104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27663737 + ... + 27663816.

Almost surely, 22213102120 is an apocalyptic number.

2213102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213102120 is an abundant number, since it is smaller than the sum of its proper divisors (2766377740).

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

2213102120 is a wasteful number, since it uses less digits than its factorization.

2213102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55327564 (or 55327560 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2213102120 is about 47043.6193335504. The cubic root of 2213102120 is about 1303.1682329719.

Adding to 2213102120 its reverse (212013122), we get a palindrome (2425115242).

The spelling of 2213102120 in words is "two billion, two hundred thirteen million, one hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 55327553 110655106 221310212 276637765 442620424 553275530 1106551060 2213102120