Search a number
-
+
28763117385824 = 258093111064799
BaseRepresentation
bin1101000101000111011110…
…11001001111100001100000
310202211201122002211201102102
412202203233121033201200
512232223331022321244
6141101332124105532
76026031601550603
oct642435731174140
9122751562751372
1028763117385824
11918a407a03048
1232865999952a8
1313084728a65b3
147161dc6d633a
1534d2dc13654e
hex1a28ef64f860

28763117385824 has 24 divisors (see below), whose sum is σ = 56634384945600. Its totient is φ = 14379781526656.

The previous prime is 28763117385809. The next prime is 28763117385851. The reversal of 28763117385824 is 42858371136782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55273424 + ... + 55791375.

It is an arithmetic number, because the mean of its divisors is an integer number (2359766039400).

Almost surely, 228763117385824 is an apocalyptic number.

It is an amenable number.

28763117385824 is a deficient number, since it is larger than the sum of its proper divisors (27871267559776).

28763117385824 is a wasteful number, since it uses less digits than its factorization.

28763117385824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111072902 (or 111072894 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 65.

The spelling of 28763117385824 in words is "twenty-eight trillion, seven hundred sixty-three billion, one hundred seventeen million, three hundred eighty-five thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 32 8093 16186 32372 64744 129488 258976 111064799 222129598 444259196 888518392 1777036784 3554073568 898847418307 1797694836614 3595389673228 7190779346456 14381558692912 28763117385824