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10041778493 is a prime number
BaseRepresentation
bin10010101101000100…
…10110000100111101
3221220211101012102222
421112202112010331
5131031143402433
64340234055125
7503562465065
oct112642260475
927824335388
1010041778493
11429335a89a
121b42b7a4a5
13c40557686
146b391a3a5
153db8b1b98
hex25689613d

10041778493 has 2 divisors, whose sum is σ = 10041778494. Its totient is φ = 10041778492.

The previous prime is 10041778451. The next prime is 10041778499. The reversal of 10041778493 is 39487714001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5291398564 + 4750379929 = 72742^2 + 68923^2 .

It is a cyclic number.

It is not a de Polignac number, because 10041778493 - 210 = 10041777469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10041778499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5020889246 + 5020889247.

It is an arithmetic number, because the mean of its divisors is an integer number (5020889247).

Almost surely, 210041778493 is an apocalyptic number.

It is an amenable number.

10041778493 is a deficient number, since it is larger than the sum of its proper divisors (1).

10041778493 is an equidigital number, since it uses as much as digits as its factorization.

10041778493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 10041778493 in words is "ten billion, forty-one million, seven hundred seventy-eight thousand, four hundred ninety-three".