Search a number
-
+
26303463136 = 2523331107971
BaseRepresentation
bin11000011111110011…
…101111111011100000
32111220010121101002101
4120133303233323200
5412332141310021
620030022300144
71620552514306
oct303763577340
974803541071
1026303463136
111017868a195
125120b87654
1326325b4892
1413b752a276
15a3e348a91
hex61fcefee0

26303463136 has 48 divisors (see below), whose sum is σ = 54200216448. Its totient is φ = 12541795200.

The previous prime is 26303463127. The next prime is 26303463139. The reversal of 26303463136 is 63136430362.

It is a junction number, because it is equal to n+sod(n) for n = 26303463095 and 26303463104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26303463139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189631 + ... + 297601.

It is an arithmetic number, because the mean of its divisors is an integer number (1129171176).

Almost surely, 226303463136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26303463136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27100108224).

26303463136 is an abundant number, since it is smaller than the sum of its proper divisors (27896753312).

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

26303463136 is a wasteful number, since it uses less digits than its factorization.

26303463136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108335 (or 108327 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 37.

Adding to 26303463136 its reverse (63136430362), we get a palindrome (89439893498).

The spelling of 26303463136 in words is "twenty-six billion, three hundred three million, four hundred sixty-three thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 23 32 46 92 184 331 368 662 736 1324 2648 5296 7613 10592 15226 30452 60904 107971 121808 215942 243616 431884 863768 1727536 2483333 3455072 4966666 9933332 19866664 35738401 39733328 71476802 79466656 142953604 285907208 571814416 821983223 1143628832 1643966446 3287932892 6575865784 13151731568 26303463136