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10078458997 is a prime number
BaseRepresentation
bin10010110001011100…
…10001010001110101
3222000101101202122011
421120232101101311
5131120041141442
64344024204221
7504516326245
oct113056212165
928011352564
1010078458997
114302033462
121b53309671
13c4802b309
146b8747b25
153dec0a117
hex258b91475

10078458997 has 2 divisors, whose sum is σ = 10078458998. Its totient is φ = 10078458996.

The previous prime is 10078458989. The next prime is 10078459021. The reversal of 10078458997 is 79985487001.

10078458997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8924769841 + 1153689156 = 94471^2 + 33966^2 .

It is a cyclic number.

It is not a de Polignac number, because 10078458997 - 23 = 10078458989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10078453997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5039229498 + 5039229499.

It is an arithmetic number, because the mean of its divisors is an integer number (5039229499).

Almost surely, 210078458997 is an apocalyptic number.

It is an amenable number.

10078458997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10078458997 is an equidigital number, since it uses as much as digits as its factorization.

10078458997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The spelling of 10078458997 in words is "ten billion, seventy-eight million, four hundred fifty-eight thousand, nine hundred ninety-seven".