Search a number
-
+
26868191012 = 22134159213599
BaseRepresentation
bin11001000001011110…
…000000111100100100
32120100111020112002122
4121001132000330210
5420011224103022
620202034325112
71640550566255
oct310136007444
976314215078
1026868191012
1110438436643
12525a129798
1326c25b08a0
14142c530b2c
15a73bea742
hex641780f24

26868191012 has 48 divisors (see below), whose sum is σ = 52750656000. Its totient is φ = 11893136640.

The previous prime is 26868190961. The next prime is 26868191039. The reversal of 26868191012 is 21019186862.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18989 + ... + 232587.

It is an arithmetic number, because the mean of its divisors is an integer number (1098972000).

Almost surely, 226868191012 is an apocalyptic number.

It is an amenable number.

26868191012 is a deficient number, since it is larger than the sum of its proper divisors (25882464988).

26868191012 is a wasteful number, since it uses less digits than its factorization.

26868191012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213716 (or 213714 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 26868191012 in words is "twenty-six billion, eight hundred sixty-eight million, one hundred ninety-one thousand, twelve".

Divisors: 1 2 4 13 26 41 52 59 82 118 164 236 533 767 1066 1534 2132 2419 3068 4838 9676 31447 62894 125788 213599 427198 854396 2776787 5553574 8757559 11107148 12602341 17515118 25204682 35030236 50409364 113848267 163830433 227696534 327660866 455393068 516695981 655321732 1033391962 2066783924 6717047753 13434095506 26868191012