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28486851016 = 2313809338581
BaseRepresentation
bin11010100001111100…
…101101100111001000
32201112022000222012011
4122201330231213020
5431320113213031
621030420025304
72025634144531
oct324174554710
981468028164
1028486851016
11110990a2888
125630232234
1328bca4ab80
1415434c1688
15b1ad836b1
hex6a1f2d9c8

28486851016 has 32 divisors (see below), whose sum is σ = 57592798200. Its totient is φ = 13131486720.

The previous prime is 28486850999. The next prime is 28486851077. The reversal of 28486851016 is 61015868482.

It can be written as a sum of positive squares in 4 ways, for example, as 27208502500 + 1278348516 = 164950^2 + 35754^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85155 + ... + 253426.

Almost surely, 228486851016 is an apocalyptic number.

28486851016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28486851016 is an abundant number, since it is smaller than the sum of its proper divisors (29105947184).

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

28486851016 is a wasteful number, since it uses less digits than its factorization.

28486851016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339409 (or 339405 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 28486851016 in words is "twenty-eight billion, four hundred eighty-six million, eight hundred fifty-one thousand, sixteen".

Divisors: 1 2 4 8 13 26 52 104 809 1618 3236 6472 10517 21034 42068 84136 338581 677162 1354324 2708648 4401553 8803106 17606212 35212424 273912029 547824058 1095648116 2191296232 3560856377 7121712754 14243425508 28486851016