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28114387510 = 25112127182953
BaseRepresentation
bin11010001011101111…
…111000001000110110
32200120100011212022111
4122023233320020312
5430034240400020
620525432521234
72013462231226
oct321357701066
980510155274
1028114387510
1110a17925500
12554755021a
13286082b171
141509c48086
15ae830dd5a
hex68bbf8236

28114387510 has 48 divisors (see below), whose sum is σ = 56062960128. Its totient is φ = 10142858880.

The previous prime is 28114387493. The next prime is 28114387523. The reversal of 28114387510 is 1578341182.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 62194 + ... + 245146.

It is an arithmetic number, because the mean of its divisors is an integer number (1167978336).

Almost surely, 228114387510 is an apocalyptic number.

28114387510 is a deficient number, since it is larger than the sum of its proper divisors (27948572618).

28114387510 is a wasteful number, since it uses less digits than its factorization.

28114387510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183109 (or 183098 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 28114387510 in words is "twenty-eight billion, one hundred fourteen million, three hundred eighty-seven thousand, five hundred ten".

Divisors: 1 2 5 10 11 22 55 110 121 127 242 254 605 635 1210 1270 1397 2794 6985 13970 15367 30734 76835 153670 182953 365906 914765 1829530 2012483 4024966 10062415 20124830 22137313 23235031 44274626 46470062 110686565 116175155 221373130 232350310 255585341 511170682 1277926705 2555853410 2811438751 5622877502 14057193755 28114387510