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28114534120 = 2353674334423
BaseRepresentation
bin11010001011110000…
…011011111011101000
32200120100110022102111
4122023300123323220
5430034310042440
620525440012104
72013463411531
oct321360337350
980510408374
1028114534120
1110a17a15672
125547601034
13286087cb0a
141509c85688
15ae833c4ea
hex68bc1bee8

28114534120 has 64 divisors (see below), whose sum is σ = 63590929920. Its totient is φ = 11186740224.

The previous prime is 28114534117. The next prime is 28114534153. The reversal of 28114534120 is 2143541182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6354229 + ... + 6358651.

It is an arithmetic number, because the mean of its divisors is an integer number (993608280).

Almost surely, 228114534120 is an apocalyptic number.

28114534120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28114534120 is an abundant number, since it is smaller than the sum of its proper divisors (35476395800).

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

28114534120 is a wasteful number, since it uses less digits than its factorization.

28114534120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234 (or 5230 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 28114534120 in words is "twenty-eight billion, one hundred fourteen million, five hundred thirty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 367 433 734 866 1468 1732 1835 2165 2936 3464 3670 4330 4423 7340 8660 8846 14680 17320 17692 22115 35384 44230 88460 158911 176920 317822 635644 794555 1271288 1589110 1623241 1915159 3178220 3246482 3830318 6356440 6492964 7660636 8116205 9575795 12985928 15321272 16232410 19151590 32464820 38303180 64929640 76606360 702863353 1405726706 2811453412 3514316765 5622906824 7028633530 14057267060 28114534120