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1468694973 = 3489564991
BaseRepresentation
bin101011110001010…
…1000000110111101
310210100121102202010
41113202220012331
511001441214343
6401423121433
751252462354
oct12742500675
93710542663
101468694973
116940492a9
1234ba43279
131a53812a5
14dd0b499b
1588e13d33
hex578a81bd

1468694973 has 4 divisors (see below), whose sum is σ = 1958259968. Its totient is φ = 979129980.

The previous prime is 1468694939. The next prime is 1468694993. The reversal of 1468694973 is 3794968641.

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 de Polignac number, because none of the positive numbers 2k-1468694973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1468694993) 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, 244782493 + ... + 244782498.

It is an arithmetic number, because the mean of its divisors is an integer number (489564992).

Almost surely, 21468694973 is an apocalyptic number.

It is an amenable number.

1468694973 is a deficient number, since it is larger than the sum of its proper divisors (489564995).

1468694973 is an equidigital number, since it uses as much as digits as its factorization.

1468694973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489564994.

The product of its digits is 7838208, while the sum is 57.

The square root of 1468694973 is about 38323.5563720279. The cubic root of 1468694973 is about 1136.6947900935.

The spelling of 1468694973 in words is "one billion, four hundred sixty-eight million, six hundred ninety-four thousand, nine hundred seventy-three".

Divisors: 1 3 489564991 1468694973