Base | Representation |
---|---|
bin | 101110101010110010… |
… | …1110000111111110111 |
3 | 100120200112000020012202 |
4 | 1131111211300333313 |
5 | 3120222333224231 |
6 | 114012430535115 |
7 | 10145356511432 |
oct | 1352545607767 |
9 | 316615006182 |
10 | 100220211191 |
11 | 39559773021 |
12 | 1750b66749b |
13 | 95b2322319 |
14 | 4bca3c4819 |
15 | 29187375cb |
hex | 1755970ff7 |
100220211191 has 8 divisors (see below), whose sum is σ = 100399045968. Its totient is φ = 100041480000.
The previous prime is 100220211151. The next prime is 100220211199. The reversal of 100220211191 is 191112022001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-100220211191 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100220211199) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2058611 + ... + 2106731.
It is an arithmetic number, because the mean of its divisors is an integer number (12549880746).
Almost surely, 2100220211191 is an apocalyptic number.
100220211191 is a deficient number, since it is larger than the sum of its proper divisors (178834777).
100220211191 is an equidigital number, since it uses as much as digits as its factorization.
100220211191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51793.
The product of its (nonzero) digits is 72, while the sum is 20.
Adding to 100220211191 its reverse (191112022001), we get a palindrome (291332233192).
The spelling of 100220211191 in words is "one hundred billion, two hundred twenty million, two hundred eleven thousand, one hundred ninety-one".
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