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33481243969 = 139212405089
BaseRepresentation
bin11111001011101000…
…110011110101000001
310012102100212102022221
4133023220303311001
51022032144301334
623214151131041
72263460610115
oct371350636501
9105370772287
1033481243969
1113221320168
1265a4973a81
133207695584
141898923745
15d0e57d8b4
hex7cba33d41

33481243969 has 4 divisors (see below), whose sum is σ = 33483662980. Its totient is φ = 33478824960.

The previous prime is 33481243951. The next prime is 33481243981. The reversal of 33481243969 is 96934218433.

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 26771504400 + 6709739569 = 163620^2 + 81913^2 .

It is a cyclic number.

It is not a de Polignac number, because 33481243969 - 27 = 33481243841 is a prime.

It is a super-2 number, since 2×334812439692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33481343969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188624 + ... + 1216465.

It is an arithmetic number, because the mean of its divisors is an integer number (8370915745).

Almost surely, 233481243969 is an apocalyptic number.

It is an amenable number.

33481243969 is a deficient number, since it is larger than the sum of its proper divisors (2419011).

33481243969 is a wasteful number, since it uses less digits than its factorization.

33481243969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419010.

The product of its digits is 3359232, while the sum is 52.

The spelling of 33481243969 in words is "thirty-three billion, four hundred eighty-one million, two hundred forty-three thousand, nine hundred sixty-nine".

Divisors: 1 13921 2405089 33481243969