Base | Representation |
---|---|
bin | 101111000011010010… |
… | …1100001100001111101 |
3 | 100122210210210011222110 |
4 | 1132012211201201331 |
5 | 3123413302401141 |
6 | 114230153404233 |
7 | 10204630540035 |
oct | 1360645414175 |
9 | 318723704873 |
10 | 101042231421 |
11 | 39940783a8a |
12 | 176baa09679 |
13 | 96b3715021 |
14 | 4c676428c5 |
15 | 29659ade16 |
hex | 178696187d |
101042231421 has 16 divisors (see below), whose sum is σ = 135264951360. Its totient is φ = 67090732800.
The previous prime is 101042231399. The next prime is 101042231453. The reversal of 101042231421 is 124132240101.
It is not a de Polignac number, because 101042231421 - 26 = 101042231357 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101042231221) 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 15 ways as a sum of consecutive naturals, for example, 1779571 + ... + 1835471.
It is an arithmetic number, because the mean of its divisors is an integer number (8454059460).
Almost surely, 2101042231421 is an apocalyptic number.
It is an amenable number.
101042231421 is a deficient number, since it is larger than the sum of its proper divisors (34222719939).
101042231421 is a wasteful number, since it uses less digits than its factorization.
101042231421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58316.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 101042231421 its reverse (124132240101), we get a palindrome (225174471522).
The spelling of 101042231421 in words is "one hundred one billion, forty-two million, two hundred thirty-one thousand, four hundred twenty-one".
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