Base | Representation |
---|---|
bin | 11001110101100100… |
… | …001101011101100100 |
3 | 2122121101220022200210 |
4 | 121311210031131210 |
5 | 423304002332442 |
6 | 20424500135420 |
7 | 2001323032053 |
oct | 316544153544 |
9 | 78541808623 |
10 | 27742230372 |
11 | 1084684731a |
12 | 5462997570 |
13 | 28016b7a3c |
14 | 14b265039a |
15 | ac57ea19c |
hex | 67590d764 |
27742230372 has 48 divisors (see below), whose sum is σ = 68151363840. Its totient is φ = 8759090592.
The previous prime is 27742230361. The next prime is 27742230389. The reversal of 27742230372 is 27303224772.
It is a self number, because there is not a number n which added to its sum of digits gives 27742230372.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2097163 + ... + 2110349.
It is an arithmetic number, because the mean of its divisors is an integer number (1419820080).
Almost surely, 227742230372 is an apocalyptic number.
It is an amenable number.
27742230372 is an abundant number, since it is smaller than the sum of its proper divisors (40409133468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27742230372 is a wasteful number, since it uses less digits than its factorization.
27742230372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22440 (or 22438 counting only the distinct ones).
The product of its (nonzero) digits is 197568, while the sum is 39.
The spelling of 27742230372 in words is "twenty-seven billion, seven hundred forty-two million, two hundred thirty thousand, three hundred seventy-two".
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