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74344044001 = 214813460921
BaseRepresentation
bin100010100111101000…
…0000001010111100001
321002220011102201222011
41011033100001113201
52204224033402001
654053030512521
75241212642653
oct1051720012741
9232804381864
1074344044001
1129590302687
12124a9805741
13701a4182a6
1438539266d3
151e01b94d51
hex114f4015e1

74344044001 has 4 divisors (see below), whose sum is σ = 74347526404. Its totient is φ = 74340561600.

The previous prime is 74344043911. The next prime is 74344044011. The reversal of 74344044001 is 10044044347.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10044044347 = 19528633913.

It can be written as a sum of positive squares in 2 ways, for example, as 20137029025 + 54207014976 = 141905^2 + 232824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74344044001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74344044011) 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, 1708980 + ... + 1751941.

It is an arithmetic number, because the mean of its divisors is an integer number (18586881601).

Almost surely, 274344044001 is an apocalyptic number.

It is an amenable number.

74344044001 is a deficient number, since it is larger than the sum of its proper divisors (3482403).

74344044001 is a wasteful number, since it uses less digits than its factorization.

74344044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482402.

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 74344044001 its reverse (10044044347), we get a palindrome (84388088348).

The spelling of 74344044001 in words is "seventy-four billion, three hundred forty-four million, forty-four thousand, one".

Divisors: 1 21481 3460921 74344044001