Base | Representation |
---|---|
bin | 110001110001000010… |
… | …1000101011001010010 |
3 | 101012212002220012122220 |
4 | 1203202011011121102 |
5 | 3222333240324423 |
6 | 121032454041510 |
7 | 10502251462224 |
oct | 1434205053122 |
9 | 335762805586 |
10 | 106872198738 |
11 | 4136262a798 |
12 | 18867349296 |
13 | a1024b9926 |
14 | 525ba30414 |
15 | 2ba770b9e3 |
hex | 18e2145652 |
106872198738 has 32 divisors (see below), whose sum is σ = 217279962240. Its totient is φ = 35034975360.
The previous prime is 106872198731. The next prime is 106872198739. The reversal of 106872198738 is 837891278601.
It is a super-2 number, since 2×1068721987382 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (106872198731) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3147918 + ... + 3181686.
It is an arithmetic number, because the mean of its divisors is an integer number (6789998820).
Almost surely, 2106872198738 is an apocalyptic number.
106872198738 is an abundant number, since it is smaller than the sum of its proper divisors (110407763502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
106872198738 is a wasteful number, since it uses less digits than its factorization.
106872198738 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42482.
The product of its (nonzero) digits is 8128512, while the sum is 60.
The spelling of 106872198738 in words is "one hundred six billion, eight hundred seventy-two million, one hundred ninety-eight thousand, seven hundred thirty-eight".
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