Search a number
-
+
26388514152 = 233371113312127
BaseRepresentation
bin11000100100111000…
…001100010101101000
32112010001122102011000
4120210320030111220
5413020424423102
620042301235000
71622634445410
oct304470142550
975101572130
1026388514152
11102116a0290
125145562a60
1326470c3020
1413c4949640
15a46a4901c
hex624e0c568

26388514152 has 768 divisors, whose sum is σ = 102496665600. Its totient is φ = 6074611200.

The previous prime is 26388514093. The next prime is 26388514171. The reversal of 26388514152 is 25141588362.

26388514152 is a `hidden beast` number, since 2 + 6 + 3 + 88 + 514 + 1 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 26388514098 and 26388514107.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 207783513 + ... + 207783639.

It is an arithmetic number, because the mean of its divisors is an integer number (133459200).

Almost surely, 226388514152 is an apocalyptic number.

26388514152 is a gapful number since it is divisible by the number (22) 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 26388514152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51248332800).

26388514152 is an abundant number, since it is smaller than the sum of its proper divisors (76108151448).

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

26388514152 is a wasteful number, since it uses less digits than its factorization.

26388514152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 194 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 26388514152 in words is "twenty-six billion, three hundred eighty-eight million, five hundred fourteen thousand, one hundred fifty-two".