Base | Representation |
---|---|
bin | 101111001110100110… |
… | …0000110011111010000 |
3 | 100200210020100010111122 |
4 | 1132131030012133100 |
5 | 3130202342134044 |
6 | 114331541301412 |
7 | 10220214020156 |
oct | 1363514063720 |
9 | 320706303448 |
10 | 101421443024 |
11 | 3a015840300 |
12 | 177a5a04868 |
13 | 97441583a5 |
14 | 4ca1b553d6 |
15 | 2988e17dee |
hex | 179d3067d0 |
101421443024 has 30 divisors (see below), whose sum is σ = 215992054530. Its totient is φ = 46100655040.
The previous prime is 101421443023. The next prime is 101421443083. The reversal of 101421443024 is 420344124101.
It can be written as a sum of positive squares in only one way, i.e., 81720513424 + 19700929600 = 285868^2 + 140360^2 .
It is a junction number, because it is equal to n+sod(n) for n = 101421442984 and 101421443002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101421443023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26191619 + ... + 26195490.
It is an arithmetic number, because the mean of its divisors is an integer number (7199735151).
Almost surely, 2101421443024 is an apocalyptic number.
It is an amenable number.
101421443024 is an abundant number, since it is smaller than the sum of its proper divisors (114570611506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101421443024 is a wasteful number, since it uses less digits than its factorization.
101421443024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52387139 (or 52387122 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 101421443024 its reverse (420344124101), we get a palindrome (521765567125).
It can be divided in two parts, 101421 and 443024, that added together give a palindrome (544445).
The spelling of 101421443024 in words is "one hundred one billion, four hundred twenty-one million, four hundred forty-three thousand, twenty-four".
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