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2101320222 = 232912076553
BaseRepresentation
bin111110100111111…
…1001101000011110
312102110000010102220
41331033321220132
513300414221342
6544302330210
7103033633011
oct17517715036
95373003386
102101320222
1198915aa91
124a7889966
13276460a61
1415d111378
15c47285ec
hex7d3f9a1e

2101320222 has 16 divisors (see below), whose sum is σ = 4347559440. Its totient is φ = 676286912.

The previous prime is 2101320187. The next prime is 2101320229. The reversal of 2101320222 is 2220231012.

It is a happy number.

It is a super-2 number, since 2×21013202222 = 8831093350772258568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101320229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6038103 + ... + 6038450.

It is an arithmetic number, because the mean of its divisors is an integer number (271722465).

Almost surely, 22101320222 is an apocalyptic number.

2101320222 is an abundant number, since it is smaller than the sum of its proper divisors (2246239218).

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

2101320222 is a wasteful number, since it uses less digits than its factorization.

2101320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12076587.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2101320222 is about 45840.1594892513. The cubic root of 2101320222 is about 1280.8474657207.

Adding to 2101320222 its reverse (2220231012), we get a palindrome (4321551234).

The spelling of 2101320222 in words is "two billion, one hundred one million, three hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 29 58 87 174 12076553 24153106 36229659 72459318 350220037 700440074 1050660111 2101320222