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69091242286 = 2113140511013
BaseRepresentation
bin100000001011000101…
…0001011000100101110
320121100002100202122111
41000112022023010232
52112444324223121
651423505034234
74664100604153
oct1002612130456
9217302322574
1069091242286
1127335228a40
121148262597a
1366910a59b1
1434b605a22a
151be59542e1
hex101628b12e

69091242286 has 8 divisors (see below), whose sum is σ = 113058396504. Its totient is φ = 31405110120.

The previous prime is 69091242271. The next prime is 69091242293. The reversal of 69091242286 is 68224219096.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1570255485 + ... + 1570255528.

It is an arithmetic number, because the mean of its divisors is an integer number (14132299563).

Almost surely, 269091242286 is an apocalyptic number.

69091242286 is a deficient number, since it is larger than the sum of its proper divisors (43967154218).

69091242286 is a wasteful number, since it uses less digits than its factorization.

69091242286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140511026.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 69091242286 in words is "sixty-nine billion, ninety-one million, two hundred forty-two thousand, two hundred eighty-six".

Divisors: 1 2 11 22 3140511013 6281022026 34545621143 69091242286