Base | Representation |
---|---|
bin | 1011010100100100000… |
… | …00101100010000101111 |
3 | 1101012001211221101202001 |
4 | 11222102000230100233 |
5 | 22333131124231341 |
6 | 454411433313131 |
7 | 40050462330424 |
oct | 5522200542057 |
9 | 1335054841661 |
10 | 388996711471 |
11 | 13aa77558915 |
12 | 634822657a7 |
13 | 2a8b3b31c24 |
14 | 14b82ab7d4b |
15 | a1ba909d31 |
hex | 5a9202c42f |
388996711471 has 2 divisors, whose sum is σ = 388996711472. Its totient is φ = 388996711470.
The previous prime is 388996711469. The next prime is 388996711547. The reversal of 388996711471 is 174117699883.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 388996711471 - 21 = 388996711469 is a prime.
It is a super-3 number, since 3×3889967114713 (a number of 36 digits) contains 333 as substring.
Together with 388996711469, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (388996711171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194498355735 + 194498355736.
It is an arithmetic number, because the mean of its divisors is an integer number (194498355736).
Almost surely, 2388996711471 is an apocalyptic number.
388996711471 is a deficient number, since it is larger than the sum of its proper divisors (1).
388996711471 is an equidigital number, since it uses as much as digits as its factorization.
388996711471 is an evil number, because the sum of its binary digits is even.
The product of its digits is 18289152, while the sum is 64.
The spelling of 388996711471 in words is "three hundred eighty-eight billion, nine hundred ninety-six million, seven hundred eleven thousand, four hundred seventy-one".
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