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28037011135 = 571942160919
BaseRepresentation
bin11010000111001000…
…101101011010111111
32200100221120201212211
4122013020231122333
5424404433324020
620514030241251
72011532443150
oct320710553277
980327521784
1028037011135
1110988186491
125525656227
13284a7a9023
1414dd865927
15ae162785a
hex68722d6bf

28037011135 has 16 divisors (see below), whose sum is σ = 40474483200. Its totient is φ = 18213516576.

The previous prime is 28037011081. The next prime is 28037011139. The reversal of 28037011135 is 53111073082.

It is a cyclic number.

It is not a de Polignac number, because 28037011135 - 221 = 28034913983 is a prime.

It is a super-2 number, since 2×280370111352 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28037011097 and 28037011106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28037011139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21079795 + ... + 21081124.

It is an arithmetic number, because the mean of its divisors is an integer number (2529655200).

Almost surely, 228037011135 is an apocalyptic number.

28037011135 is a deficient number, since it is larger than the sum of its proper divisors (12437472065).

28037011135 is a wasteful number, since it uses less digits than its factorization.

28037011135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42160950.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 28037011135 in words is "twenty-eight billion, thirty-seven million, eleven thousand, one hundred thirty-five".

Divisors: 1 5 7 19 35 95 133 665 42160919 210804595 295126433 801057461 1475632165 4005287305 5607402227 28037011135