Search a number
-
+
26992298669648 = 2413509925450219
BaseRepresentation
bin1100010001100101000100…
…10111111011011001010000
310112120102211201000100212112
412020302202113323121100
512014220211424412043
6133224031341244452
75454062216041004
oct610624227733120
9115512751010775
1026992298669648
118667407a02954
12303b356263728
13120a49421c650
14694611734704
1531c1e93d4518
hex188ca25fb650

26992298669648 has 40 divisors (see below), whose sum is σ = 56331516948000. Its totient is φ = 12455540290944.

The previous prime is 26992298669587. The next prime is 26992298669653. The reversal of 26992298669648 is 84696689229962.

It is a self number, because there is not a number n which added to its sum of digits gives 26992298669648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11664518 + ... + 13785701.

It is an arithmetic number, because the mean of its divisors is an integer number (1408287923700).

Almost surely, 226992298669648 is an apocalyptic number.

It is an amenable number.

26992298669648 is an abundant number, since it is smaller than the sum of its proper divisors (29339218278352).

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

26992298669648 is a wasteful number, since it uses less digits than its factorization.

26992298669648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25455339 (or 25455333 counting only the distinct ones).

The product of its digits is 17414258688, while the sum is 86.

The spelling of 26992298669648 in words is "twenty-six trillion, nine hundred ninety-two billion, two hundred ninety-eight million, six hundred sixty-nine thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 5099 10198 20396 40792 66287 81584 132574 265148 530296 1060592 25450219 50900438 101800876 203601752 330852847 407203504 661705694 1323411388 2646822776 5293645552 129770666681 259541333362 519082666724 1038165333448 1687018666853 2076330666896 3374037333706 6748074667412 13496149334824 26992298669648