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28133134010 = 252813313401
BaseRepresentation
bin11010001100110111…
…011000111010111010
32200121122110021200022
4122030313120322322
5430104040242020
620531342410442
72014110456602
oct321467307272
980548407608
1028133134010
1110a27469a83
125551890a22
132864692b77
14150c527c02
15ae9cb3625
hex68cdd8eba

28133134010 has 8 divisors (see below), whose sum is σ = 50639641236. Its totient is φ = 11253253600.

The previous prime is 28133134009. The next prime is 28133134021. The reversal of 28133134010 is 1043133182.

It can be written as a sum of positive squares in 2 ways, for example, as 25561934161 + 2571199849 = 159881^2 + 50707^2 .

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

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, 1406656691 + ... + 1406656710.

Almost surely, 228133134010 is an apocalyptic number.

28133134010 is a deficient number, since it is larger than the sum of its proper divisors (22506507226).

28133134010 is a wasteful number, since it uses less digits than its factorization.

28133134010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813313408.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 28133134010 its reverse (1043133182), we get a palindrome (29176267192).

The spelling of 28133134010 in words is "twenty-eight billion, one hundred thirty-three million, one hundred thirty-four thousand, ten".

Divisors: 1 2 5 10 2813313401 5626626802 14066567005 28133134010