Search a number
-
+
33044411021 = 294332631553
BaseRepresentation
bin11110110001100110…
…011011001010001101
310011021220220000011212
4132301212123022031
51020133332123041
623102544224205
72246604600506
oct366146331215
9104256800155
1033044411021
11130177880a6
1264a260b065
133168028b3b
1418568d1bad
15cd60418eb
hex7b199b28d

33044411021 has 8 divisors (see below), whose sum is σ = 34262833080. Its totient is φ = 31831252992.

The previous prime is 33044410961. The next prime is 33044411041. The reversal of 33044411021 is 12011444033.

It can be written as a sum of positive squares in 4 ways, for example, as 43692100 + 33000718921 = 6610^2 + 181661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33044411021 - 218 = 33044148877 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 (33044411041) 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 7 ways as a sum of consecutive naturals, for example, 1303220 + ... + 1328333.

It is an arithmetic number, because the mean of its divisors is an integer number (4282854135).

Almost surely, 233044411021 is an apocalyptic number.

It is an amenable number.

33044411021 is a deficient number, since it is larger than the sum of its proper divisors (1218422059).

33044411021 is a wasteful number, since it uses less digits than its factorization.

33044411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632015.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 33044411021 its reverse (12011444033), we get a palindrome (45055855054).

The spelling of 33044411021 in words is "thirty-three billion, forty-four million, four hundred eleven thousand, twenty-one".

Divisors: 1 29 433 12557 2631553 76315037 1139462449 33044411021