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40564372741 = 178950952673
BaseRepresentation
bin100101110001110100…
…110011010100000101
310212201000000122100121
4211301310303110011
51131033434411431
630345055141541
72634136323244
oct456164632405
9125630018317
1040564372741
11162265926a2
127a40b148b1
133a95c85a29
141d6b51c95b
1510c6318611
hex971d33505

40564372741 has 16 divisors (see below), whose sum is σ = 43519258800. Its totient is φ = 37674385408.

The previous prime is 40564372729. The next prime is 40564372811. The reversal of 40564372741 is 14727346504.

It can be written as a sum of positive squares in 8 ways, for example, as 465912225 + 40098460516 = 21585^2 + 200246^2 .

It is a cyclic number.

It is not a de Polignac number, because 40564372741 - 219 = 40563848453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40564372711) 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 15 ways as a sum of consecutive naturals, for example, 743781 + ... + 796453.

It is an arithmetic number, because the mean of its divisors is an integer number (2719953675).

Almost surely, 240564372741 is an apocalyptic number.

It is an amenable number.

40564372741 is a deficient number, since it is larger than the sum of its proper divisors (2954886059).

40564372741 is a wasteful number, since it uses less digits than its factorization.

40564372741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53288.

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 40564372741 in words is "forty billion, five hundred sixty-four million, three hundred seventy-two thousand, seven hundred forty-one".

Divisors: 1 17 89 509 1513 8653 45301 52673 770117 895441 4687897 26810557 79694249 455779469 2386139573 40564372741