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2686683128 = 231723982657
BaseRepresentation
bin1010000000100011…
…1000011111111000
320221020110122101112
42200020320133320
521000242330003
61122332535452
7123402300263
oct24010703770
96836418345
102686683128
111159620888
1262b921588
1333a80323c
141b6b67cda
1510ad043d8
hexa02387f8

2686683128 has 32 divisors (see below), whose sum is σ = 5356238400. Its totient is φ = 1259016192.

The previous prime is 2686683127. The next prime is 2686683161. The reversal of 2686683128 is 8213866862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686683127) 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, 8825 + ... + 73832.

It is an arithmetic number, because the mean of its divisors is an integer number (167382450).

Almost surely, 22686683128 is an apocalyptic number.

It is an amenable number.

2686683128 is a deficient number, since it is larger than the sum of its proper divisors (2669555272).

2686683128 is a wasteful number, since it uses less digits than its factorization.

2686683128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82919 (or 82915 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 2686683128 is about 51833.2241713749. The cubic root of 2686683128 is about 1390.1835632186.

The spelling of 2686683128 in words is "two billion, six hundred eighty-six million, six hundred eighty-three thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 17 34 68 136 239 478 956 1912 4063 8126 16252 32504 82657 165314 330628 661256 1405169 2810338 5620676 11241352 19755023 39510046 79020092 158040184 335835391 671670782 1343341564 2686683128