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88640244001 = 834672286841
BaseRepresentation
bin101001010001101011…
…1101100100100100001
322110210111020221120001
41102203113230210201
52423013400302001
6104415404020001
76255405433231
oct1224327544441
9273714227501
1088640244001
113465711a301
1215219531601
1384881c442a
14440c4a3cc1
15248bcd6001
hex14a35ec921

88640244001 has 8 divisors (see below), whose sum is σ = 89900332704. Its totient is φ = 87384730080.

The previous prime is 88640243987. The next prime is 88640244013. The reversal of 88640244001 is 10044204688.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88640244001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88640244061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104660 + ... + 1182181.

It is an arithmetic number, because the mean of its divisors is an integer number (11237541588).

Almost surely, 288640244001 is an apocalyptic number.

It is an amenable number.

88640244001 is a deficient number, since it is larger than the sum of its proper divisors (1260088703).

88640244001 is a wasteful number, since it uses less digits than its factorization.

88640244001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287391.

The product of its (nonzero) digits is 49152, while the sum is 37.

Adding to 88640244001 its reverse (10044204688), we get a palindrome (98684448689).

The spelling of 88640244001 in words is "eighty-eight billion, six hundred forty million, two hundred forty-four thousand, one".

Divisors: 1 83 467 38761 2286841 189807803 1067954747 88640244001