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20485094419 is a prime number
BaseRepresentation
bin10011000101000000…
…011011110000010011
31221212122022121200201
4103011000123300103
5313423141010134
613224414400031
71323432300226
oct230500336023
957778277621
1020485094419
1187623356a9
123b78500017
131c1604135a
14dc48bb5bd
157ed63c914
hex4c501bc13

20485094419 has 2 divisors, whose sum is σ = 20485094420. Its totient is φ = 20485094418.

The previous prime is 20485094369. The next prime is 20485094449. The reversal of 20485094419 is 91449058402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20485094419 - 27 = 20485094291 is a prime.

It is a super-2 number, since 2×204850944192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20485094449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10242547209 + 10242547210.

It is an arithmetic number, because the mean of its divisors is an integer number (10242547210).

Almost surely, 220485094419 is an apocalyptic number.

20485094419 is a deficient number, since it is larger than the sum of its proper divisors (1).

20485094419 is an equidigital number, since it uses as much as digits as its factorization.

20485094419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 20485094419 in words is "twenty billion, four hundred eighty-five million, ninety-four thousand, four hundred nineteen".