Search a number
-
+
61250342741 = 7733106111251
BaseRepresentation
bin111001000010110011…
…100000111101010101
312212002122022210112122
4321002303200331111
52000420041431431
644045451225325
74265561215550
oct710263407525
9185078283478
1061250342741
1123a81249075
12ba54748245
135a117c9a73
142d70969697
1518d73d4a7b
hexe42ce0f55

61250342741 has 16 divisors (see below), whose sum is σ = 70168192128. Its totient is φ = 52374600000.

The previous prime is 61250342723. The next prime is 61250342749. The reversal of 61250342741 is 14724305216.

61250342741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61250342741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61250342749) 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, 5438366 + ... + 5449616.

It is an arithmetic number, because the mean of its divisors is an integer number (4385512008).

Almost surely, 261250342741 is an apocalyptic number.

It is an amenable number.

61250342741 is a deficient number, since it is larger than the sum of its proper divisors (8917849387).

61250342741 is a wasteful number, since it uses less digits than its factorization.

61250342741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13052.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 61250342741 its reverse (14724305216), we get a palindrome (75974647957).

The spelling of 61250342741 in words is "sixty-one billion, two hundred fifty million, three hundred forty-two thousand, seven hundred forty-one".

Divisors: 1 7 733 1061 5131 7427 11251 78757 777713 5443991 8246983 11937311 57728881 83561177 8750048963 61250342741