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22000000202 = 211000000101
BaseRepresentation
bin10100011111010011…
…010101110011001010
32002210012212210202022
4110133103111303022
5330024000001302
614035012204442
71406115626165
oct243723256312
962705783668
1022000000202
11936a476854
12431b909722
1320c7b520cb
1410c9b80adc
1588b62d8a2
hex51f4d5cca

22000000202 has 4 divisors (see below), whose sum is σ = 33000000306. Its totient is φ = 11000000100.

The previous prime is 22000000199. The next prime is 22000000229. The reversal of 22000000202 is 20200000022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20200000022 = 210100000011.

It can be written as a sum of positive squares in only one way, i.e., 18881782921 + 3118217281 = 137411^2 + 55841^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22000000202.

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 as a sum of consecutive naturals, namely, 5500000049 + ... + 5500000052.

Almost surely, 222000000202 is an apocalyptic number.

22000000202 is a deficient number, since it is larger than the sum of its proper divisors (11000000104).

22000000202 is a wasteful number, since it uses less digits than its factorization.

22000000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000000103.

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 22000000202 its reverse (20200000022), we get a palindrome (42200000224).

It can be divided in two parts, 2200000020 and 2, that added together give a palindrome (2200000022).

The spelling of 22000000202 in words is "twenty-two billion, two hundred two", and thus it is an aban number.

Divisors: 1 2 11000000101 22000000202