Base | Representation |
---|---|
bin | 1011001101010111010… |
… | …10001000010110101111 |
3 | 1100211002111212121202221 |
4 | 11212223222020112233 |
5 | 22302222300200201 |
6 | 452532140100211 |
7 | 36552634206502 |
oct | 5465352102657 |
9 | 1324074777687 |
10 | 385132037551 |
11 | 139373aa4128 |
12 | 62783b34667 |
13 | 2a419272321 |
14 | 148d770d139 |
15 | a0414b64a1 |
hex | 59aba885af |
385132037551 has 4 divisors (see below), whose sum is σ = 385781501952. Its totient is φ = 384482573152.
The previous prime is 385132037539. The next prime is 385132037603. The reversal of 385132037551 is 155730231583.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155730231583 = 5581 ⋅27903643.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-385132037551 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 385132037498 and 385132037507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385132637551) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324731311 + ... + 324732496.
It is an arithmetic number, because the mean of its divisors is an integer number (96445375488).
Almost surely, 2385132037551 is an apocalyptic number.
385132037551 is a deficient number, since it is larger than the sum of its proper divisors (649464401).
385132037551 is an equidigital number, since it uses as much as digits as its factorization.
385132037551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 649464400.
The product of its (nonzero) digits is 378000, while the sum is 43.
The spelling of 385132037551 in words is "three hundred eighty-five billion, one hundred thirty-two million, thirty-seven thousand, five hundred fifty-one".
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