Search a number
-
+
42561130535 = 5711110548391
BaseRepresentation
bin100111101000110101…
…110101000000100111
311001212011021110002222
4213220311311000213
51144131122134120
631315144422555
73034463432450
oct475065650047
9131764243088
1042561130535
1117060715350
1282b9777a5b
134023866411
1420ba7b2127
15119178a525
hex9e8d75027

42561130535 has 16 divisors (see below), whose sum is σ = 63675873792. Its totient is φ = 26531613600.

The previous prime is 42561130529. The next prime is 42561130537. The reversal of 42561130535 is 53503116524.

42561130535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42561130535 - 28 = 42561130279 is a prime.

It is a super-2 number, since 2×425611305352 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42561130495 and 42561130504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42561130537) 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, 55273811 + ... + 55274580.

It is an arithmetic number, because the mean of its divisors is an integer number (3979742112).

Almost surely, 242561130535 is an apocalyptic number.

42561130535 is a deficient number, since it is larger than the sum of its proper divisors (21114743257).

42561130535 is a wasteful number, since it uses less digits than its factorization.

42561130535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110548414.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 42561130535 in words is "forty-two billion, five hundred sixty-one million, one hundred thirty thousand, five hundred thirty-five".

Divisors: 1 5 7 11 35 55 77 385 110548391 552741955 773838737 1216032301 3869193685 6080161505 8512226107 42561130535