Search a number
-
+
26951113968 = 243768773043
BaseRepresentation
bin11001000110011010…
…010101110011110000
32120120021021110000020
4121012122111303300
5420143441121333
620214155523440
71642605455202
oct310632256360
976507243006
1026951113968
1110480223909
125281a59580
13270682551c
141439558772
15a7b12a3b3
hex646695cf0

26951113968 has 40 divisors (see below), whose sum is σ = 69633721728. Its totient is φ = 8982412992.

The previous prime is 26951113951. The next prime is 26951113993. The reversal of 26951113968 is 86931115962.

It is a super-2 number, since 2×269511139682 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26951113968.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 332455 + ... + 405497.

Almost surely, 226951113968 is an apocalyptic number.

It is an amenable number.

26951113968 is an abundant number, since it is smaller than the sum of its proper divisors (42682607760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26951113968 is a wasteful number, since it uses less digits than its factorization.

26951113968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80741 (or 80735 counting only the distinct ones).

The product of its digits is 699840, while the sum is 51.

The spelling of 26951113968 in words is "twenty-six billion, nine hundred fifty-one million, one hundred thirteen thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 7687 15374 23061 30748 46122 61496 73043 92244 122992 146086 184488 219129 292172 368976 438258 584344 876516 1168688 1753032 3506064 561481541 1122963082 1684444623 2245926164 3368889246 4491852328 6737778492 8983704656 13475556984 26951113968