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41719490987 = 69431600877
BaseRepresentation
bin100110110110101011…
…001110100110101011
310222200111120201200212
4212312223032212223
51140420142202422
631055441251335
73004563552026
oct466653164653
9128614521625
1041719490987
1116769624079
128103933b4b
133c1b394655
14203aac81bd
15114293a9e2
hex9b6ace9ab

41719490987 has 4 divisors (see below), whose sum is σ = 41720161296. Its totient is φ = 41718820680.

The previous prime is 41719490947. The next prime is 41719491059. The reversal of 41719490987 is 78909491714.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78909491714 = 239454745857.

It is a cyclic number.

It is not a de Polignac number, because 41719490987 - 232 = 37424523691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41719490947) 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, 231008 + ... + 369869.

It is an arithmetic number, because the mean of its divisors is an integer number (10430040324).

Almost surely, 241719490987 is an apocalyptic number.

41719490987 is a deficient number, since it is larger than the sum of its proper divisors (670309).

41719490987 is an equidigital number, since it uses as much as digits as its factorization.

41719490987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670308.

The product of its (nonzero) digits is 4572288, while the sum is 59.

The spelling of 41719490987 in words is "forty-one billion, seven hundred nineteen million, four hundred ninety thousand, nine hundred eighty-seven".

Divisors: 1 69431 600877 41719490987