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28616750836 = 2231123003819
BaseRepresentation
bin11010101001101100…
…001111011011110100
32201212100110120020121
4122221230033123310
5432101342011321
621051340141324
72032102240312
oct325154173364
981770416217
1028616750836
1111155456503
125667837844
13291092cb7b
1415568570b2
15b27492441
hex6a9b0f6f4

28616750836 has 12 divisors (see below), whose sum is σ = 50240342880. Its totient is φ = 14262367160.

The previous prime is 28616750831. The next prime is 28616750849. The reversal of 28616750836 is 63805761682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28616750831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11500666 + ... + 11503153.

It is an arithmetic number, because the mean of its divisors is an integer number (4186695240).

Almost surely, 228616750836 is an apocalyptic number.

It is an amenable number.

28616750836 is a deficient number, since it is larger than the sum of its proper divisors (21623592044).

28616750836 is a wasteful number, since it uses less digits than its factorization.

28616750836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23004134 (or 23004132 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 28616750836 in words is "twenty-eight billion, six hundred sixteen million, seven hundred fifty thousand, eight hundred thirty-six".

Divisors: 1 2 4 311 622 1244 23003819 46007638 92015276 7154187709 14308375418 28616750836