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26299428960 = 253573159739
BaseRepresentation
bin11000011111100100…
…010111000001100000
32111212212000102020110
4120133210113001200
5412330123211320
620025400011320
71620503313000
oct303744270140
974785012213
1026299428960
1110176384262
12511b760b40
1326318015ac
1413b6b9a000
15a3dced5e0
hex61f917060

26299428960 has 192 divisors, whose sum is σ = 96610752000. Its totient is φ = 6011260416.

The previous prime is 26299428931. The next prime is 26299428971. The reversal of 26299428960 is 6982499262.

It is a self number, because there is not a number n which added to its sum of digits gives 26299428960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84771 + ... + 244509.

It is an arithmetic number, because the mean of its divisors is an integer number (503181000).

Almost surely, 226299428960 is an apocalyptic number.

26299428960 is a gapful number since it is divisible by the number (20) 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 26299428960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48305376000).

26299428960 is an abundant number, since it is smaller than the sum of its proper divisors (70311323040).

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

26299428960 is a wasteful number, since it uses less digits than its factorization.

26299428960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159778 (or 159756 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 26299428960 in words is "twenty-six billion, two hundred ninety-nine million, four hundred twenty-eight thousand, nine hundred sixty".