Search a number
-
+
22640208206 = 2711791860941
BaseRepresentation
bin10101000101011101…
…100010100101001110
32011102211112202000212
4111011131202211032
5332331343130311
614222322122422
71431021410630
oct250535424516
964384482025
1022640208206
119668897580
12447a1b0412
13219a688105
14114abd2a50
158c793ec8b
hex54576294e

22640208206 has 32 divisors (see below), whose sum is σ = 42876103680. Its totient is φ = 8709199200.

The previous prime is 22640208113. The next prime is 22640208211. The reversal of 22640208206 is 60280204622.

It is a super-2 number, since 2×226402082062 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918305 + ... + 942636.

It is an arithmetic number, because the mean of its divisors is an integer number (1339878240).

Almost surely, 222640208206 is an apocalyptic number.

22640208206 is a deficient number, since it is larger than the sum of its proper divisors (20235895474).

22640208206 is a wasteful number, since it uses less digits than its factorization.

22640208206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861040.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 22640208206 in words is "twenty-two billion, six hundred forty million, two hundred eight thousand, two hundred six".

Divisors: 1 2 7 11 14 22 77 79 154 158 553 869 1106 1738 6083 12166 1860941 3721882 13026587 20470351 26053174 40940702 143292457 147014339 286584914 294028678 1029100373 1617157729 2058200746 3234315458 11320104103 22640208206