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22108033690 = 2517130047257
BaseRepresentation
bin10100100101101111…
…011101001010011010
32010001202011110211121
4110211233131022122
5330234124034230
614053431515454
71411600120501
oct244557351232
963052143747
1022108033690
119415454a26
12434bb28b8a
132114349352
1410da263838
15895d6d77a
hex525bdd29a

22108033690 has 16 divisors (see below), whose sum is σ = 42135311592. Its totient is φ = 8323024384.

The previous prime is 22108033679. The next prime is 22108033709. The reversal of 22108033690 is 9633080122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14602063921 + 7505969769 = 120839^2 + 86637^2 .

It is a super-2 number, since 2×221080336902 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

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 7 ways as a sum of consecutive naturals, for example, 65023459 + ... + 65023798.

Almost surely, 222108033690 is an apocalyptic number.

22108033690 is a deficient number, since it is larger than the sum of its proper divisors (20027277902).

22108033690 is a wasteful number, since it uses less digits than its factorization.

22108033690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130047281.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 22108033690 in words is "twenty-two billion, one hundred eight million, thirty-three thousand, six hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 130047257 260094514 650236285 1300472570 2210803369 4421606738 11054016845 22108033690