Base | Representation |
---|---|
bin | 110011001010011101… |
… | …1000010110101111100 |
3 | 101111121012211212211122 |
4 | 1212110323002311330 |
5 | 3300004402013013 |
6 | 122250321010112 |
7 | 10636514304632 |
oct | 1462473026574 |
9 | 344535755748 |
10 | 109872688508 |
11 | 426622a5100 |
12 | 19364183938 |
13 | a49001306b |
14 | 5464323352 |
15 | 2cd0d4aa08 |
hex | 1994ec2d7c |
109872688508 has 72 divisors (see below), whose sum is σ = 224175653856. Its totient is φ = 46920867840.
The previous prime is 109872688507. The next prime is 109872688543. The reversal of 109872688508 is 805886278901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109872688507) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4735985 + ... + 4759127.
It is an arithmetic number, because the mean of its divisors is an integer number (3113550748).
Almost surely, 2109872688508 is an apocalyptic number.
It is an amenable number.
109872688508 is an abundant number, since it is smaller than the sum of its proper divisors (114302965348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109872688508 is a wasteful number, since it uses less digits than its factorization.
109872688508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23763 (or 23750 counting only the distinct ones).
The product of its (nonzero) digits is 15482880, while the sum is 62.
The spelling of 109872688508 in words is "one hundred nine billion, eight hundred seventy-two million, six hundred eighty-eight thousand, five hundred eight".
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