Base | Representation |
---|---|
bin | 101111000101010110… |
… | …0101000010100111010 |
3 | 100122222121120022101012 |
4 | 1132022230220110322 |
5 | 3124033432000010 |
6 | 114241055553522 |
7 | 10206426021530 |
oct | 1361254502472 |
9 | 318877508335 |
10 | 101111203130 |
11 | 399767024a3 |
12 | 17719b2b8a2 |
13 | 96c4ab37a2 |
14 | 4c72878150 |
15 | 296ba85005 |
hex | 178ab2853a |
101111203130 has 32 divisors (see below), whose sum is σ = 218947570560. Its totient is φ = 32842134720.
The previous prime is 101111203117. The next prime is 101111203133. The reversal of 101111203130 is 31302111101.
It is a happy number.
It is a super-2 number, since 2×1011112031302 (a number of 23 digits) contains 22 as substring.
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 (101111203133) 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, 38010401 + ... + 38013060.
It is an arithmetic number, because the mean of its divisors is an integer number (6842111580).
Almost surely, 2101111203130 is an apocalyptic number.
101111203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
101111203130 is an abundant number, since it is smaller than the sum of its proper divisors (117836367430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101111203130 is a wasteful number, since it uses less digits than its factorization.
101111203130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76023494.
The product of its (nonzero) digits is 18, while the sum is 14.
Adding to 101111203130 its reverse (31302111101), we get a palindrome (132413314231).
The spelling of 101111203130 in words is "one hundred one billion, one hundred eleven million, two hundred three thousand, one hundred thirty".
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