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19098960245 = 53819792049
BaseRepresentation
bin10001110010011000…
…110000000101110101
31211022001001201001222
4101302120300011311
5303103313211440
612435101000125
71244201324561
oct216230600565
954261051058
1019098960245
118110957572
123850253045
131a54b08c11
14cd27786a1
1576bad62b5
hex472630175

19098960245 has 4 divisors (see below), whose sum is σ = 22918752300. Its totient is φ = 15279168192.

The previous prime is 19098960239. The next prime is 19098960247. The reversal of 19098960245 is 54206989091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54206989091 = 419129372289.

It can be written as a sum of positive squares in 2 ways, for example, as 15093842449 + 4005117796 = 122857^2 + 63286^2 .

It is a cyclic number.

It is not a de Polignac number, because 19098960245 - 28 = 19098959989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19098960247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1909896020 + ... + 1909896029.

It is an arithmetic number, because the mean of its divisors is an integer number (5729688075).

Almost surely, 219098960245 is an apocalyptic number.

It is an amenable number.

19098960245 is a deficient number, since it is larger than the sum of its proper divisors (3819792055).

19098960245 is an equidigital number, since it uses as much as digits as its factorization.

19098960245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819792054.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 19098960245 in words is "nineteen billion, ninety-eight million, nine hundred sixty thousand, two hundred forty-five".

Divisors: 1 5 3819792049 19098960245