Base | Representation |
---|---|
bin | 100011111010101111… |
… | …000100000111100111 |
3 | 10200112202110002120201 |
4 | 203322233010013213 |
5 | 1112440443130012 |
6 | 25414523211331 |
7 | 2533465551451 |
oct | 437257040747 |
9 | 120482402521 |
10 | 38566380007 |
11 | 153a0797131 |
12 | 7583976b47 |
13 | 38380621cc |
14 | 1c1c0272d1 |
15 | 100ac00857 |
hex | 8fabc41e7 |
38566380007 has 2 divisors, whose sum is σ = 38566380008. Its totient is φ = 38566380006.
The previous prime is 38566379983. The next prime is 38566380011. The reversal of 38566380007 is 70008366583.
It is a strong prime.
It is an emirp because it is prime and its reverse (70008366583) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38566380007 - 231 = 36418896359 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38566380077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19283190003 + 19283190004.
It is an arithmetic number, because the mean of its divisors is an integer number (19283190004).
Almost surely, 238566380007 is an apocalyptic number.
38566380007 is a deficient number, since it is larger than the sum of its proper divisors (1).
38566380007 is an equidigital number, since it uses as much as digits as its factorization.
38566380007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 725760, while the sum is 46.
The spelling of 38566380007 in words is "thirty-eight billion, five hundred sixty-six million, three hundred eighty thousand, seven".
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