Search a number
-
+
22010210212 = 2234849157897
BaseRepresentation
bin10100011111111010…
…010010011110100100
32002210221002112020211
4110133322102132210
5330034103211322
614040015105204
71406301462034
oct243772223644
962727075224
1022010210212
11937520a781
124323212204
1320c9cb8433
1410cb27b8c4
1588c498b77
hex51fe927a4

22010210212 has 12 divisors (see below), whose sum is σ = 38519217100. Its totient is φ = 11004719616.

The previous prime is 22010210177. The next prime is 22010210221. The reversal of 22010210212 is 21201201022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2358656356 + 19651553856 = 48566^2 + 140184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22010210192 and 22010210201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60448 + ... + 218344.

Almost surely, 222010210212 is an apocalyptic number.

It is an amenable number.

22010210212 is a deficient number, since it is larger than the sum of its proper divisors (16509006888).

22010210212 is a wasteful number, since it uses less digits than its factorization.

22010210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192750 (or 192748 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22010210212 its reverse (21201201022), we get a palindrome (43211411234).

The spelling of 22010210212 in words is "twenty-two billion, ten million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 34849 69698 139396 157897 315794 631588 5502552553 11005105106 22010210212