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13162489033 = 66611976053
BaseRepresentation
bin11000100001000101…
…11010010011001001
31020222022112201111211
430100202322103021
5203424044122113
610014033453121
7644115211411
oct142042722311
936868481454
1013162489033
115644977911
1226741111a1
131319c54365
148cc185641
1552084bb3d
hex3108ba4c9

13162489033 has 4 divisors (see below), whose sum is σ = 13164471748. Its totient is φ = 13160506320.

The previous prime is 13162489027. The next prime is 13162489061. The reversal of 13162489033 is 33098426131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5689232329 + 7473256704 = 75427^2 + 86448^2 .

It is a cyclic number.

It is not a de Polignac number, because 13162489033 - 225 = 13128934601 is a prime.

It is a super-2 number, since 2×131624890332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13162489133) 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, 981366 + ... + 994687.

It is an arithmetic number, because the mean of its divisors is an integer number (3291117937).

Almost surely, 213162489033 is an apocalyptic number.

It is an amenable number.

13162489033 is a deficient number, since it is larger than the sum of its proper divisors (1982715).

13162489033 is an equidigital number, since it uses as much as digits as its factorization.

13162489033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982714.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 13162489033 in words is "thirteen billion, one hundred sixty-two million, four hundred eighty-nine thousand, thirty-three".

Divisors: 1 6661 1976053 13162489033