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2690581223 = 114713737987
BaseRepresentation
bin1010000001011111…
…0000001011100111
320221111210200120102
42200113300023213
521002242044343
61122552254315
7123450364061
oct24027601347
96844720512
102690581223
111160843550
126310a139b
1333b5695c5
141b74a0731
1510b3243b8
hexa05f02e7

2690581223 has 16 divisors (see below), whose sum is σ = 3019590144. Its totient is φ = 2376404160.

The previous prime is 2690581217. The next prime is 2690581237. The reversal of 2690581223 is 3221850962.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2690581223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690581213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51836 + ... + 89822.

It is an arithmetic number, because the mean of its divisors is an integer number (188724384).

Almost surely, 22690581223 is an apocalyptic number.

2690581223 is a deficient number, since it is larger than the sum of its proper divisors (329008921).

2690581223 is a wasteful number, since it uses less digits than its factorization.

2690581223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38182.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2690581223 is about 51870.8128237837. The cubic root of 2690581223 is about 1390.8555750905.

The spelling of 2690581223 in words is "two billion, six hundred ninety million, five hundred eighty-one thousand, two hundred twenty-three".

Divisors: 1 11 47 137 517 1507 6439 37987 70829 417857 1785389 5204219 19639279 57246409 244598293 2690581223