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2686338258 = 232371188833
BaseRepresentation
bin1010000000011110…
…0100010011010010
320221012211010022120
42200013210103102
521000200311013
61122321315110
7123366332652
oct24007442322
96835733276
102686338258
11115940576a
1262b795a96
1333a712286
141b6ab8362
1510ac87123
hexa01e44d2

2686338258 has 16 divisors (see below), whose sum is σ = 5374970976. Its totient is φ = 895063680.

The previous prime is 2686338257. The next prime is 2686338287. The reversal of 2686338258 is 8528336862.

It is a self number, because there is not a number n which added to its sum of digits gives 2686338258.

It is not an unprimeable number, because it can be changed into a prime (2686338257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80191 + ... + 108642.

It is an arithmetic number, because the mean of its divisors is an integer number (335935686).

Almost surely, 22686338258 is an apocalyptic number.

2686338258 is an abundant number, since it is smaller than the sum of its proper divisors (2688632718).

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

2686338258 is a wasteful number, since it uses less digits than its factorization.

2686338258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191209.

The product of its digits is 3317760, while the sum is 51.

The square root of 2686338258 is about 51829.8973373477. The cubic root of 2686338258 is about 1390.1240780842.

The spelling of 2686338258 in words is "two billion, six hundred eighty-six million, three hundred thirty-eight thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 2371 4742 7113 14226 188833 377666 566499 1132998 447723043 895446086 1343169129 2686338258