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228173105588 = 2271979336963
BaseRepresentation
bin1101010010000000101…
…1010100100110110100
3210210221202221201212112
43110200023110212310
512214244303334323
6252453221310152
722325225253041
oct3244013244664
9723852851775
10228173105588
118884985143a
123827a865358
131869406895c
14b087a521c8
155e069d1178
hex35202d49b4

228173105588 has 12 divisors (see below), whose sum is σ = 399858298560. Its totient is φ = 113927877432.

The previous prime is 228173105581. The next prime is 228173105621. The reversal of 228173105588 is 885501371822.

It is a happy number.

It is a super-2 number, since 2×2281731055882 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228173105581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39665606 + ... + 39671357.

It is an arithmetic number, because the mean of its divisors is an integer number (33321524880).

Almost surely, 2228173105588 is an apocalyptic number.

It is an amenable number.

228173105588 is a deficient number, since it is larger than the sum of its proper divisors (171685192972).

228173105588 is a wasteful number, since it uses less digits than its factorization.

228173105588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79337686 (or 79337684 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 228173105588 in words is "two hundred twenty-eight billion, one hundred seventy-three million, one hundred five thousand, five hundred eighty-eight".

Divisors: 1 2 4 719 1438 2876 79336963 158673926 317347852 57043276397 114086552794 228173105588