Search a number
-
+
42722897353 = 1729241359581
BaseRepresentation
bin100111110010011110…
…111010110111001001
311002021102200001110121
4213302132322313021
51144444030203403
631343203543241
73041466431023
oct476236726711
9132242601417
1042722897353
1117133a64134
12834398ab21
13404b225126
1420d4081013
1511a0a913bd
hex9f27badc9

42722897353 has 16 divisors (see below), whose sum is σ = 46990175760. Its totient is φ = 38662041600.

The previous prime is 42722897341. The next prime is 42722897363. The reversal of 42722897353 is 35379822724.

It can be written as a sum of positive squares in 8 ways, for example, as 33965584 + 42688931769 = 5828^2 + 206613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42722897353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42722897353.

It is not an unprimeable number, because it can be changed into a prime (42722897323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60978 + ... + 298603.

It is an arithmetic number, because the mean of its divisors is an integer number (2936885985).

Almost surely, 242722897353 is an apocalyptic number.

It is an amenable number.

42722897353 is a deficient number, since it is larger than the sum of its proper divisors (4267278407).

42722897353 is a wasteful number, since it uses less digits than its factorization.

42722897353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359868.

The product of its digits is 5080320, while the sum is 52.

The spelling of 42722897353 in words is "forty-two billion, seven hundred twenty-two million, eight hundred ninety-seven thousand, three hundred fifty-three".

Divisors: 1 17 29 241 493 4097 6989 118813 359581 6112877 10427849 86659021 177273433 1473203357 2513111609 42722897353