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44531012001 = 372120524381
BaseRepresentation
bin101001011110010000…
…010101000110100001
311020221102221210110210
4221132100111012201
51212144414341001
632242434044333
73134343233220
oct513620250641
9136842853423
1044531012001
1117981660463
1287694196a9
1342789c6858
14222626acb7
15125969ddd6
hexa5e4151a1

44531012001 has 8 divisors (see below), whose sum is σ = 67856780224. Its totient is φ = 25446292560.

The previous prime is 44531011957. The next prime is 44531012041. The reversal of 44531012001 is 10021013544.

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

It is not a de Polignac number, because 44531012001 - 29 = 44531011489 is a prime.

It is a super-2 number, since 2×445310120012 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2120524381 = 44531012001 / (4 + 4 + 5 + 3 + 1 + 0 + 1 + 2 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44531012041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060262170 + ... + 1060262211.

It is an arithmetic number, because the mean of its divisors is an integer number (8482097528).

Almost surely, 244531012001 is an apocalyptic number.

It is an amenable number.

44531012001 is a deficient number, since it is larger than the sum of its proper divisors (23325768223).

44531012001 is a wasteful number, since it uses less digits than its factorization.

44531012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120524391.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 44531012001 its reverse (10021013544), we get a palindrome (54552025545).

The spelling of 44531012001 in words is "forty-four billion, five hundred thirty-one million, twelve thousand, one".

Divisors: 1 3 7 21 2120524381 6361573143 14843670667 44531012001