Base | Representation |
---|---|
bin | 100011001110110111001… |
… | …100010101110111000000 |
3 | 22120110101102011012112010 |
4 | 203032313030111313000 |
5 | 304131443323202230 |
6 | 5052131213532520 |
7 | 336631051615653 |
oct | 43166714256700 |
9 | 8513342135463 |
10 | 2421140053440 |
11 | 853888494229 |
12 | 331296aa4140 |
13 | 14740a812c74 |
14 | 8528050189a |
15 | 42ea578a9b0 |
hex | 233b7315dc0 |
2421140053440 has 56 divisors (see below), whose sum is σ = 7687119672720. Its totient is φ = 645637347328.
The previous prime is 2421140053429. The next prime is 2421140053441. The reversal of 2421140053440 is 443500411242.
2421140053440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 2421140053398 and 2421140053407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2421140053441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261009485 + ... + 1261011404.
Almost surely, 22421140053440 is an apocalyptic number.
2421140053440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2421140053440 is an abundant number, since it is smaller than the sum of its proper divisors (5265979619280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2421140053440 is a wasteful number, since it uses less digits than its factorization.
2421140053440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2522020909 (or 2522020899 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 30.
Adding to 2421140053440 its reverse (443500411242), we get a palindrome (2864640464682).
The spelling of 2421140053440 in words is "two trillion, four hundred twenty-one billion, one hundred forty million, fifty-three thousand, four hundred forty".
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