Base | Representation |
---|---|
bin | 1011110111110111010… |
… | …11000010110111011011 |
3 | 1102222222200120012011221 |
4 | 11323323223002313123 |
5 | 23140440004302341 |
6 | 511224225032511 |
7 | 41321235521305 |
oct | 5737353026733 |
9 | 1388880505157 |
10 | 407949290971 |
11 | 148012815362 |
12 | 67091485737 |
13 | 2c614508401 |
14 | 15a5dc2a975 |
15 | a929728ed1 |
hex | 5efbac2ddb |
407949290971 has 2 divisors, whose sum is σ = 407949290972. Its totient is φ = 407949290970.
The previous prime is 407949290863. The next prime is 407949290993. The reversal of 407949290971 is 179092949704.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 407949290971 - 215 = 407949258203 is a prime.
It is not a weakly prime, because it can be changed into another prime (407949297971) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203974645485 + 203974645486.
It is an arithmetic number, because the mean of its divisors is an integer number (203974645486).
Almost surely, 2407949290971 is an apocalyptic number.
407949290971 is a deficient number, since it is larger than the sum of its proper divisors (1).
407949290971 is an equidigital number, since it uses as much as digits as its factorization.
407949290971 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10287648, while the sum is 61.
The spelling of 407949290971 in words is "four hundred seven billion, nine hundred forty-nine million, two hundred ninety thousand, nine hundred seventy-one".
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