| Base | Representation |
|---|---|
| bin | 101111001110100101… |
| … | …0101011111101001000 |
| 3 | 100200210012122021211102 |
| 4 | 1132131022223331020 |
| 5 | 3130202243302300 |
| 6 | 114331525320532 |
| 7 | 10220210614100 |
| oct | 1363512537510 |
| 9 | 320705567742 |
| 10 | 101421072200 |
| 11 | 3a015607738 |
| 12 | 177a5866148 |
| 13 | 9744058676 |
| 14 | 4ca1a9a200 |
| 15 | 2988d930d5 |
| hex | 179d2abf48 |
101421072200 has 108 divisors (see below), whose sum is σ = 274387897035. Its totient is φ = 34762129920.
The previous prime is 101421072199. The next prime is 101421072227. The reversal of 101421072200 is 2270124101.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
101421072200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 5 ways, for example, as 81383537284 + 20037534916 = 285278^2 + 141554^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=225190.
It is a super-2 number, since 2×1014210722002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31524992 + ... + 31528208.
Almost surely, 2101421072200 is an apocalyptic number.
101421072200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 101421072200
101421072200 is an abundant number, since it is smaller than the sum of its proper divisors (172966824835).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101421072200 is an frugal number, since it uses more digits than its factorization.
101421072200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6464 (or 3231 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 20.
Adding to 101421072200 its reverse (2270124101), we get a palindrome (103691196301).
The spelling of 101421072200 in words is "one hundred one billion, four hundred twenty-one million, seventy-two thousand, two hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •