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69080806492 = 2267725509899
BaseRepresentation
bin100000001010110001…
…0010111010001011100
320121022100201120102121
41000111202113101130
52112434141301432
651422453232324
74663613111125
oct1002542272134
9217270646377
1069080806492
112732a350415
121147b0326a4
13668bb90979
1434b490104c
151be4a92197
hex101589745c

69080806492 has 12 divisors (see below), whose sum is σ = 121069985400. Its totient is φ = 34489382096.

The previous prime is 69080806453. The next prime is 69080806507. The reversal of 69080806492 is 29460808096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12752242 + ... + 12757657.

It is an arithmetic number, because the mean of its divisors is an integer number (10089165450).

Almost surely, 269080806492 is an apocalyptic number.

It is an amenable number.

69080806492 is a deficient number, since it is larger than the sum of its proper divisors (51989178908).

69080806492 is a wasteful number, since it uses less digits than its factorization.

69080806492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25510580 (or 25510578 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 69080806492 in words is "sixty-nine billion, eighty million, eight hundred six thousand, four hundred ninety-two".

Divisors: 1 2 4 677 1354 2708 25509899 51019798 102039596 17270201623 34540403246 69080806492