Search a number
-
+
22291686049 = 127509344843
BaseRepresentation
bin10100110000101100…
…000010001010100001
32010112112201222111211
4110300230002022201
5331123132423144
614123552110121
71416260130223
oct246054021241
963475658454
1022291686049
1194aa091736
1243a1535341
1321433cb799
1411167cc413
158a7049034
hex530b022a1

22291686049 has 8 divisors (see below), whose sum is σ = 22511416320. Its totient is φ = 22072646736.

The previous prime is 22291686031. The next prime is 22291686059. The reversal of 22291686049 is 94068619222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22291686049 - 211 = 22291684001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22291685993 and 22291686011.

It is not an unprimeable number, because it can be changed into a prime (22291686059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107779 + ... + 237064.

It is an arithmetic number, because the mean of its divisors is an integer number (2813927040).

Almost surely, 222291686049 is an apocalyptic number.

It is an amenable number.

22291686049 is a deficient number, since it is larger than the sum of its proper divisors (219730271).

22291686049 is a wasteful number, since it uses less digits than its factorization.

22291686049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345479.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 22291686049 in words is "twenty-two billion, two hundred ninety-one million, six hundred eighty-six thousand, forty-nine".

Divisors: 1 127 509 64643 344843 43795061 175525087 22291686049