Base | Representation |
---|---|
bin | 11011111100111110… |
… | …101101011110001111 |
3 | 2212110201211022211212 |
4 | 123330332231132033 |
5 | 442432102221031 |
6 | 21442134205035 |
7 | 2111530436531 |
oct | 337476553617 |
9 | 85421738755 |
10 | 30014101391 |
11 | 118021a567a |
12 | 59977b377b |
13 | 2aa4291711 |
14 | 164a279851 |
15 | ba9eb212b |
hex | 6fcfad78f |
30014101391 has 2 divisors, whose sum is σ = 30014101392. Its totient is φ = 30014101390.
The previous prime is 30014101387. The next prime is 30014101457. The reversal of 30014101391 is 19310141003.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30014101391 - 22 = 30014101387 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30014101331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15007050695 + 15007050696.
It is an arithmetic number, because the mean of its divisors is an integer number (15007050696).
Almost surely, 230014101391 is an apocalyptic number.
30014101391 is a deficient number, since it is larger than the sum of its proper divisors (1).
30014101391 is an equidigital number, since it uses as much as digits as its factorization.
30014101391 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 324, while the sum is 23.
Adding to 30014101391 its reverse (19310141003), we get a palindrome (49324242394).
The spelling of 30014101391 in words is "thirty billion, fourteen million, one hundred one thousand, three hundred ninety-one".
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