Search a number
-
+
26918293248 = 283471123733
BaseRepresentation
bin11001000100011101…
…001000111100000000
32120110222111222110000
4121010131020330000
5420112040340443
620211024240000
71642026501030
oct310435107400
976428458400
1026918293248
1110463747150
125272a70000
1326ccaa3692
1414350538c0
15a782e58d3
hex644748f00

26918293248 has 720 divisors, whose sum is σ = 104564630016. Its totient is φ = 6678650880.

The previous prime is 26918293177. The next prime is 26918293249. The reversal of 26918293248 is 84239281962.

26918293248 is a `hidden beast` number, since 26 + 91 + 8 + 293 + 248 = 666.

It is a super-2 number, since 2×269182932482 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 26918293194 and 26918293203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26918293249) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 36723090 + ... + 36723822.

Almost surely, 226918293248 is an apocalyptic number.

26918293248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26918293248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52282315008).

26918293248 is an abundant number, since it is smaller than the sum of its proper divisors (77646336768).

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

26918293248 is a wasteful number, since it uses less digits than its factorization.

26918293248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 779 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 26918293248 in words is "twenty-six billion, nine hundred eighteen million, two hundred ninety-three thousand, two hundred forty-eight".