Base | Representation |
---|---|
bin | 101111000011001111… |
… | …0100101001100011101 |
3 | 100122210200100201102001 |
4 | 1132012132211030131 |
5 | 3123412321131141 |
6 | 114230050402301 |
7 | 10204606216645 |
oct | 1360636451435 |
9 | 318720321361 |
10 | 101040411421 |
11 | 3993a750654 |
12 | 176ba290391 |
13 | 96b32287c1 |
14 | 4c672cb525 |
15 | 296574ea31 |
hex | 17867a531d |
101040411421 has 16 divisors (see below), whose sum is σ = 109083255984. Its totient is φ = 93233480704.
The previous prime is 101040411403. The next prime is 101040411463. The reversal of 101040411421 is 124114040101.
It can be written as a sum of positive squares in 8 ways, for example, as 24715298521 + 76325112900 = 157211^2 + 276270^2 .
It is a cyclic number.
It is not a de Polignac number, because 101040411421 - 27 = 101040411293 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 (101040411401) 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, 1196235 + ... + 1277911.
It is an arithmetic number, because the mean of its divisors is an integer number (6817703499).
Almost surely, 2101040411421 is an apocalyptic number.
It is an amenable number.
101040411421 is a deficient number, since it is larger than the sum of its proper divisors (8042844563).
101040411421 is a wasteful number, since it uses less digits than its factorization.
101040411421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83120.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 101040411421 its reverse (124114040101), we get a palindrome (225154451522).
The spelling of 101040411421 in words is "one hundred one billion, forty million, four hundred eleven thousand, four hundred twenty-one".
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