Base | Representation |
---|---|
bin | 11101001001000110111… |
… | …00011010001111000101 |
3 | 10112201120212001111201220 |
4 | 32210203130122033011 |
5 | 112401201414430041 |
6 | 2044000114110553 |
7 | 132225456551655 |
oct | 16444334321705 |
9 | 3481525044656 |
10 | 1001322030021 |
11 | 3567271aa695 |
12 | 14209087b459 |
13 | 73569147c21 |
14 | 3666dc60365 |
15 | 1b0a7858d66 |
hex | e92371a3c5 |
1001322030021 has 32 divisors (see below), whose sum is σ = 1381145026560. Its totient is φ = 644931690624.
The previous prime is 1001322029957. The next prime is 1001322030031. The reversal of 1001322030021 is 1200302231001.
1001322030021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1001322030021 - 26 = 1001322029957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1001322030031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4435560 + ... + 4655838.
It is an arithmetic number, because the mean of its divisors is an integer number (43160782080).
Almost surely, 21001322030021 is an apocalyptic number.
It is an amenable number.
1001322030021 is a deficient number, since it is larger than the sum of its proper divisors (379822996539).
1001322030021 is a wasteful number, since it uses less digits than its factorization.
1001322030021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220745.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 1001322030021 its reverse (1200302231001), we get a palindrome (2201624261022).
The spelling of 1001322030021 in words is "one trillion, one billion, three hundred twenty-two million, thirty thousand, twenty-one".
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