Base | Representation |
---|---|
bin | 10010110101010100… |
… | …11001111001101100 |
3 | 222002122122000201212 |
4 | 21122222121321230 |
5 | 131201404001142 |
6 | 4351145453552 |
7 | 505363040420 |
oct | 113252317154 |
9 | 28078560655 |
10 | 10111000172 |
11 | 431943a099 |
12 | 1b621a12b8 |
13 | c519b2b50 |
14 | 6bcbb8b80 |
15 | 3e29d6d82 |
hex | 25aa99e6c |
10111000172 has 96 divisors (see below), whose sum is σ = 23095642752. Its totient is φ = 3758616576.
The previous prime is 10111000171. The next prime is 10111000183. The reversal of 10111000172 is 27100011101.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is not an unprimeable number, because it can be changed into a prime (10111000171) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6267638 + ... + 6269250.
It is an arithmetic number, because the mean of its divisors is an integer number (240579612).
Almost surely, 210111000172 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10111000172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11547821376).
10111000172 is an abundant number, since it is smaller than the sum of its proper divisors (12984642580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10111000172 is a wasteful number, since it uses less digits than its factorization.
10111000172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2667 (or 2665 counting only the distinct ones).
The product of its (nonzero) digits is 14, while the sum is 14.
Adding to 10111000172 its reverse (27100011101), we get a palindrome (37211011273).
The spelling of 10111000172 in words is "ten billion, one hundred eleven million, one hundred seventy-two", and thus it is an aban number.
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