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28614900452 = 22151367129089
BaseRepresentation
bin11010101001100101…
…001011101011100100
32201212012222112222212
4122221211023223210
5432100403303302
621051232342552
72032050432515
oct325145135344
981765875885
1028614900452
1111154402266
1256670a4a58
132910432878
1415564d4a0c
15b27229052
hex6a994bae4

28614900452 has 24 divisors (see below), whose sum is σ = 50545447680. Its totient is φ = 14173862400.

The previous prime is 28614900451. The next prime is 28614900481. The reversal of 28614900452 is 25400941682.

It is not an unprimeable number, because it can be changed into a prime (28614900451) 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, 157124 + ... + 286212.

It is an arithmetic number, because the mean of its divisors is an integer number (2106060320).

Almost surely, 228614900452 is an apocalyptic number.

It is an amenable number.

28614900452 is a deficient number, since it is larger than the sum of its proper divisors (21930547228).

28614900452 is a wasteful number, since it uses less digits than its factorization.

28614900452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129611 (or 129609 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 28614900452 in words is "twenty-eight billion, six hundred fourteen million, nine hundred thousand, four hundred fifty-two".

Divisors: 1 2 4 151 302 367 604 734 1468 55417 110834 129089 221668 258178 516356 19492439 38984878 47375663 77969756 94751326 189502652 7153725113 14307450226 28614900452