Search a number
-
+
26315044400 = 2452312122181
BaseRepresentation
bin11000100000011111…
…111011011000110000
32111220221101202121002
4120200133323120300
5412343122410100
620031114421132
71621053121031
oct304037733060
974827352532
1026315044400
111018417a387
125124a317a8
132634b0b0b8
1413b8ca2a88
15a403852d5
hex6207fb630

26315044400 has 60 divisors (see below), whose sum is σ = 65261340864. Its totient is φ = 10186464000.

The previous prime is 26315044397. The next prime is 26315044409. The reversal of 26315044400 is 444051362.

It is not an unprimeable number, because it can be changed into a prime (26315044409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048691 + ... + 1073490.

Almost surely, 226315044400 is an apocalyptic number.

26315044400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26315044400 is an abundant number, since it is smaller than the sum of its proper divisors (38946296464).

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

26315044400 is a wasteful number, since it uses less digits than its factorization.

26315044400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122230 (or 2122219 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 26315044400 its reverse (444051362), we get a palindrome (26759095762).

The spelling of 26315044400 in words is "twenty-six billion, three hundred fifteen million, forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 155 200 248 310 400 496 620 775 1240 1550 2480 3100 6200 12400 2122181 4244362 8488724 10610905 16977448 21221810 33954896 42443620 53054525 65787611 84887240 106109050 131575222 169774480 212218100 263150444 328938055 424436200 526300888 657876110 848872400 1052601776 1315752220 1644690275 2631504440 3289380550 5263008880 6578761100 13157522200 26315044400