Search a number
-
+
25998763072 = 261673317349
BaseRepresentation
bin11000001101101001…
…011010010001000000
32111002220021000011211
4120031221122101000
5411221140404242
615535455415504
71610162561032
oct301551322100
974086230154
1025998763072
1110031695557
125056b24594
1325b442c699
141388c91c52
15a2270c317
hex60da5a440

25998763072 has 56 divisors (see below), whose sum is σ = 52064107200. Its totient is φ = 12880750080.

The previous prime is 25998763057. The next prime is 25998763097. The reversal of 25998763072 is 27036789952.

It is a junction number, because it is equal to n+sod(n) for n = 25998762998 and 25998763016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3534054 + ... + 3541402.

It is an arithmetic number, because the mean of its divisors is an integer number (929716200).

Almost surely, 225998763072 is an apocalyptic number.

It is an amenable number.

25998763072 is an abundant number, since it is smaller than the sum of its proper divisors (26065344128).

25998763072 is a wasteful number, since it uses less digits than its factorization.

25998763072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859 (or 7849 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 25998763072 in words is "twenty-five billion, nine hundred ninety-eight million, seven hundred sixty-three thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 167 331 334 662 668 1324 1336 2648 2672 5296 5344 7349 10592 10688 14698 21184 29396 55277 58792 110554 117584 221108 235168 442216 470336 884432 1227283 1768864 2432519 2454566 3537728 4865038 4909132 9730076 9818264 19460152 19636528 38920304 39273056 77840608 78546112 155681216 406230673 812461346 1624922692 3249845384 6499690768 12999381536 25998763072