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1968773041 = 4211467531
BaseRepresentation
bin111010101011001…
…0001011110110001
312002012121000220001
41311112101132301
513013001214131
6523205350001
766534203044
oct16526213661
95065530801
101968773041
11920359364
1246b408301
13254b62a81
1414968ac5b
15b7c95261
hex755917b1

1968773041 has 4 divisors (see below), whose sum is σ = 1969244784. Its totient is φ = 1968301300.

The previous prime is 1968772943. The next prime is 1968773087. The reversal of 1968773041 is 1403778691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1968773041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1968772982 and 1968773000.

It is not an unprimeable number, because it can be changed into a prime (1968773641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229555 + ... + 237976.

It is an arithmetic number, because the mean of its divisors is an integer number (492311196).

Almost surely, 21968773041 is an apocalyptic number.

It is an amenable number.

1968773041 is a deficient number, since it is larger than the sum of its proper divisors (471743).

1968773041 is an equidigital number, since it uses as much as digits as its factorization.

1968773041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471742.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 1968773041 is about 44370.8580151432. The cubic root of 1968773041 is about 1253.3293730934.

The spelling of 1968773041 in words is "one billion, nine hundred sixty-eight million, seven hundred seventy-three thousand, forty-one".

Divisors: 1 4211 467531 1968773041