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64424043001 = 733312666227
BaseRepresentation
bin111011111111111110…
…001110000111111001
320011021211012110211201
4323333332032013321
52023420023334001
645332422454201
74440326221153
oct737776160771
9204254173751
1064424043001
112535a76904a
121059b594361
1360c918a906
143192269ad3
151a20d3a501
hexefff8e1f9

64424043001 has 8 divisors (see below), whose sum is σ = 65503889504. Its totient is φ = 63349529760.

The previous prime is 64424042989. The next prime is 64424043023. The reversal of 64424043001 is 10034042446.

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-64424043001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64424043031) 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, 1308951 + ... + 1357276.

It is an arithmetic number, because the mean of its divisors is an integer number (8187986188).

Almost surely, 264424043001 is an apocalyptic number.

It is an amenable number.

64424043001 is a deficient number, since it is larger than the sum of its proper divisors (1079846503).

64424043001 is a wasteful number, since it uses less digits than its factorization.

64424043001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666631.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 64424043001 its reverse (10034042446), we get a palindrome (74458085447).

It can be divided in two parts, 644240 and 43001, that added together give a square (687241 = 8292).

The spelling of 64424043001 in words is "sixty-four billion, four hundred twenty-four million, forty-three thousand, one".

Divisors: 1 73 331 24163 2666227 194634571 882521137 64424043001