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22948391974 = 211474195987
BaseRepresentation
bin10101010111110101…
…001010110000100110
32012020022110002200111
4111113311022300212
5333444242020344
614313051403234
71441453053604
oct252765126046
965208402614
1022948391974
119806850602
12454545351a
13221948cb81
141179ad6874
158e4a18834
hex557d4ac26

22948391974 has 4 divisors (see below), whose sum is σ = 34422587964. Its totient is φ = 11474195986.

The previous prime is 22948391951. The next prime is 22948391981. The reversal of 22948391974 is 47919384922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47919384922 = 223959692461.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5737097992 + ... + 5737097995.

It is an arithmetic number, because the mean of its divisors is an integer number (8605646991).

Almost surely, 222948391974 is an apocalyptic number.

22948391974 is a deficient number, since it is larger than the sum of its proper divisors (11474195990).

22948391974 is a wasteful number, since it uses less digits than its factorization.

22948391974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11474195989.

The product of its digits is 7838208, while the sum is 58.

The spelling of 22948391974 in words is "twenty-two billion, nine hundred forty-eight million, three hundred ninety-one thousand, nine hundred seventy-four".

Divisors: 1 2 11474195987 22948391974