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268426584769 = 71311372136661
BaseRepresentation
bin1111100111111101111…
…0001010001011000001
3221122212002222100102211
43321333132022023001
513344214201203034
6323151413142121
725251601216150
oct3717736121301
9848762870384
10268426584769
11a392589a102
124403362a941
131c40a7ab3a5
14cdc5b63597
156eb0887d64
hex3e7f78a2c1

268426584769 has 16 divisors (see below), whose sum is σ = 311371479936. Its totient is φ = 226656892800.

The previous prime is 268426584743. The next prime is 268426584823. The reversal of 268426584769 is 967485624862.

It is a cyclic number.

It is not a de Polignac number, because 268426584769 - 25 = 268426584737 is a prime.

It is a super-2 number, since 2×2684265847692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268426585769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942702 + ... + 1193959.

It is an arithmetic number, because the mean of its divisors is an integer number (19460717496).

Almost surely, 2268426584769 is an apocalyptic number.

It is an amenable number.

268426584769 is a deficient number, since it is larger than the sum of its proper divisors (42944895167).

268426584769 is a wasteful number, since it uses less digits than its factorization.

268426584769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136936.

The product of its digits is 278691840, while the sum is 67.

The spelling of 268426584769 in words is "two hundred sixty-eight billion, four hundred twenty-six million, five hundred eighty-four thousand, seven hundred sixty-nine".

Divisors: 1 7 131 137 917 959 17947 125629 2136661 14956627 279902591 292722557 1959318137 2049057899 38346654967 268426584769