Search a number
-
+
26902900668 = 2237729743891
BaseRepresentation
bin11001000011100010…
…011010111110111100
32120102220112221210110
4121003202122332330
5420044120310133
620205314310020
71641451611510
oct310342327674
976386487713
1026902900668
1110455a93506
125269888310
1326c9844447
141432da8140
15a76ca4c63
hex64389afbc

26902900668 has 48 divisors (see below), whose sum is σ = 71752534784. Its totient is φ = 7685314560.

The previous prime is 26902900667. The next prime is 26902900681. The reversal of 26902900668 is 86600920962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26902900663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591003 + ... + 634893.

Almost surely, 226902900668 is an apocalyptic number.

26902900668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26902900668 is an abundant number, since it is smaller than the sum of its proper divisors (44849634116).

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

26902900668 is a wasteful number, since it uses less digits than its factorization.

26902900668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51202 (or 51200 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 26902900668 in words is "twenty-six billion, nine hundred two million, nine hundred thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 7297 14594 21891 29188 43782 43891 51079 87564 87782 102158 131673 153237 175564 204316 263346 306474 307237 526692 612948 614474 921711 1228948 1843422 3686844 320272627 640545254 960817881 1281090508 1921635762 2241908389 3843271524 4483816778 6725725167 8967633556 13451450334 26902900668