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220202211112 = 231310120963653
BaseRepresentation
bin1100110100010100010…
…0110001011100101000
3210001101021022100020121
43031011010301130220
512101433231223422
6245054241333024
721623546624452
oct3150504613450
9701337270217
10220202211112
1185429453444
1236815337174
13179c3876650
14a92d1a32d2
155adbd348c7
hex3345131728

220202211112 has 32 divisors (see below), whose sum is σ = 449041468680. Its totient is φ = 100625529600.

The previous prime is 220202211109. The next prime is 220202211113. The reversal of 220202211112 is 211112202022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 132850044196 + 87352166916 = 364486^2 + 295554^2 .

It is a super-2 number, since 2×2202022111122 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220202211113) 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, 10471323 + ... + 10492330.

Almost surely, 2220202211112 is an apocalyptic number.

It is an amenable number.

220202211112 is an abundant number, since it is smaller than the sum of its proper divisors (228839257568).

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

220202211112 is a wasteful number, since it uses less digits than its factorization.

220202211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20963773 (or 20963769 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220202211112 its reverse (211112202022), we get a palindrome (431314413134).

The spelling of 220202211112 in words is "two hundred twenty billion, two hundred two million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 101 104 202 404 808 1313 2626 5252 10504 20963653 41927306 83854612 167709224 272527489 545054978 1090109956 2117328953 2180219912 4234657906 8469315812 16938631624 27525276389 55050552778 110101105556 220202211112