Search a number
-
+
123453061664 = 25109347101999
BaseRepresentation
bin111001011111001100…
…0000011101000100000
3102210122122201022121012
41302332120003220200
54010312440433124
6132414043320052
711630165465402
oct1627630035040
9383578638535
10123453061664
11483a1042499
121bb14220028
13b8456cb01a
145d91ba6b72
1533281dee0e
hex1cbe603a20

123453061664 has 48 divisors (see below), whose sum is σ = 245987280000. Its totient is φ = 60983380224.

The previous prime is 123453061643. The next prime is 123453061679. The reversal of 123453061664 is 466160354321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159337 + ... + 1261335.

It is an arithmetic number, because the mean of its divisors is an integer number (5124735000).

Almost surely, 2123453061664 is an apocalyptic number.

It is an amenable number.

123453061664 is a deficient number, since it is larger than the sum of its proper divisors (122534218336).

123453061664 is a wasteful number, since it uses less digits than its factorization.

123453061664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102465 (or 102457 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 123453061664 in words is "one hundred twenty-three billion, four hundred fifty-three million, sixty-one thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 109 218 347 436 694 872 1388 1744 2776 3488 5552 11104 37823 75646 101999 151292 203998 302584 407996 605168 815992 1210336 1631984 3263968 11117891 22235782 35393653 44471564 70787306 88943128 141574612 177886256 283149224 355772512 566298448 1132596896 3857908177 7715816354 15431632708 30863265416 61726530832 123453061664