Base | Representation |
---|---|
bin | 11100010111011101000… |
… | …101010000110101010100 |
3 | 20220100120010001002100210 |
4 | 130113131011100311110 |
5 | 223414211302020432 |
6 | 4051302020405420 |
7 | 260556124624506 |
oct | 34273505206524 |
9 | 6810503032323 |
10 | 1949329329492 |
11 | 691784651096 |
12 | 275962546870 |
13 | 111a89883cbc |
14 | 6a4c305bd76 |
15 | 35a8e80a8cc |
hex | 1c5dd150d54 |
1949329329492 has 48 divisors (see below), whose sum is σ = 4553833737600. Its totient is φ = 649005507072.
The previous prime is 1949329329487. The next prime is 1949329329511. The reversal of 1949329329492 is 2949239239491.
It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62509008 + ... + 62540184.
It is an arithmetic number, because the mean of its divisors is an integer number (94871536200).
Almost surely, 21949329329492 is an apocalyptic number.
1949329329492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1949329329492 is an abundant number, since it is smaller than the sum of its proper divisors (2604504408108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1949329329492 is a wasteful number, since it uses less digits than its factorization.
1949329329492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37200 (or 37198 counting only the distinct ones).
The product of its digits is 68024448, while the sum is 66.
Subtracting 1949329329492 from its reverse (2949239239491), we obtain a palindrome (999909909999).
The spelling of 1949329329492 in words is "one trillion, nine hundred forty-nine billion, three hundred twenty-nine million, three hundred twenty-nine thousand, four hundred ninety-two".
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