Base | Representation |
---|---|
bin | 1001111011001111… |
… | …1111111110110101 |
3 | 20212200121010221200 |
4 | 2132303333332311 |
5 | 20424043302131 |
6 | 1120220003113 |
7 | 123012202662 |
oct | 23663777665 |
9 | 6780533850 |
10 | 2664431541 |
11 | 1148002942 |
12 | 624390499 |
13 | 336012015 |
14 | 1b3c14a69 |
15 | 108dab2e6 |
hex | 9ecfffb5 |
2664431541 has 12 divisors (see below), whose sum is σ = 4051182720. Its totient is φ = 1682798760.
The previous prime is 2664431533. The next prime is 2664431591. The reversal of 2664431541 is 1451344662.
2664431541 is a `hidden beast` number, since 2 + 6 + 644 + 3 + 1 + 5 + 4 + 1 = 666.
It is not a de Polignac number, because 2664431541 - 23 = 2664431533 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2664431496 and 2664431505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2664431591) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7790565 + ... + 7790906.
It is an arithmetic number, because the mean of its divisors is an integer number (337598560).
Almost surely, 22664431541 is an apocalyptic number.
It is an amenable number.
2664431541 is a deficient number, since it is larger than the sum of its proper divisors (1386751179).
2664431541 is a wasteful number, since it uses less digits than its factorization.
2664431541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15581496 (or 15581493 counting only the distinct ones).
The product of its digits is 69120, while the sum is 36.
The square root of 2664431541 is about 51618.1319014937. The cubic root of 2664431541 is about 1386.3350030093.
It can be divided in two parts, 26644 and 31541, that added together give a palindrome (58185).
The spelling of 2664431541 in words is "two billion, six hundred sixty-four million, four hundred thirty-one thousand, five hundred forty-one".
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