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26946751104 = 2732721336721
BaseRepresentation
bin11001000110001001…
…101100101010000000
32120112222001210021200
4121012021230222000
5420141332013404
620213522221200
71642523414400
oct310611545200
976488053250
1026946751104
1110478813a39
1252804b4800
132705958750
141438b40800
15a7aa67839
hex64626ca80

26946751104 has 288 divisors, whose sum is σ = 97143277140. Its totient is φ = 7106641920.

The previous prime is 26946751103. The next prime is 26946751109. The reversal of 26946751104 is 40115764962.

It can be written as a sum of positive squares in 2 ways, for example, as 18747086400 + 8199664704 = 136920^2 + 90552^2 .

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×269467511042 (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 26946751104.

It is not an unprimeable number, because it can be changed into a prime (26946751103) 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 35 ways as a sum of consecutive naturals, for example, 715464 + ... + 752184.

Almost surely, 226946751104 is an apocalyptic number.

26946751104 is a gapful number since it is divisible by the number (24) 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 26946751104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48571638570).

26946751104 is an abundant number, since it is smaller than the sum of its proper divisors (70196526036).

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

26946751104 is a wasteful number, since it uses less digits than its factorization.

26946751104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36768 (or 36746 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 26946751104 in words is "twenty-six billion, nine hundred forty-six million, seven hundred fifty-one thousand, one hundred four".