Search a number
-
+
61842458974 = 210111322911831
BaseRepresentation
bin111001100110000110…
…010000100101011110
312220121220111102022111
4321212012100211132
52003123132141344
644224322304234
74316341141132
oct714606204536
9186556442274
1061842458974
112425550182a
12bb9aab807a
135aa73950ba
142dc945d3c2
15191e396834
hexe6619095e

61842458974 has 32 divisors (see below), whose sum is σ = 94931922240. Its totient is φ = 30209088000.

The previous prime is 61842458971. The next prime is 61842459013. The reversal of 61842458974 is 47985424816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61842458971) 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, 5221239 + ... + 5233069.

It is an arithmetic number, because the mean of its divisors is an integer number (2966622570).

Almost surely, 261842458974 is an apocalyptic number.

61842458974 is a deficient number, since it is larger than the sum of its proper divisors (33089463266).

61842458974 is a wasteful number, since it uses less digits than its factorization.

61842458974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12276.

The product of its digits is 15482880, while the sum is 58.

The spelling of 61842458974 in words is "sixty-one billion, eight hundred forty-two million, four hundred fifty-eight thousand, nine hundred seventy-four".

Divisors: 1 2 101 113 202 226 229 458 11413 11831 22826 23129 23662 25877 46258 51754 1194931 1336903 2389862 2613577 2673806 2709299 5227154 5418598 135027203 270054406 273639199 306150787 547278398 612301574 30921229487 61842458974