Base | Representation |
---|---|
bin | 11101001001001110000… |
… | …00110101001011100111 |
3 | 10112201202000201200120010 |
4 | 32210213000311023213 |
5 | 112401312232043343 |
6 | 2044010053341303 |
7 | 132230114533623 |
oct | 16444700651347 |
9 | 3481660650503 |
10 | 1001381909223 |
11 | 356757a88833 |
12 | 1420a8937833 |
13 | 73578681bc7 |
14 | 36677baa183 |
15 | 1b0acc35d33 |
hex | e9270352e7 |
1001381909223 has 16 divisors (see below), whose sum is σ = 1387373545472. Its totient is φ = 641774340000.
The previous prime is 1001381909219. The next prime is 1001381909257. The reversal of 1001381909223 is 3229091831001.
1001381909223 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 1001381909223 - 22 = 1001381909219 is a prime.
It is a super-2 number, since 2×10013819092232 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1001381909293) 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, 35640088 + ... + 35668173.
It is an arithmetic number, because the mean of its divisors is an integer number (86710846592).
Almost surely, 21001381909223 is an apocalyptic number.
1001381909223 is a deficient number, since it is larger than the sum of its proper divisors (385991636249).
1001381909223 is a wasteful number, since it uses less digits than its factorization.
1001381909223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71308446.
The product of its (nonzero) digits is 23328, while the sum is 39.
The spelling of 1001381909223 in words is "one trillion, one billion, three hundred eighty-one million, nine hundred nine thousand, two hundred twenty-three".
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