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28023613132 = 2250497138739
BaseRepresentation
bin11010000110010101…
…100110011011001100
32200100000101001021111
4122012111212123030
5424343021110012
620512431141404
72011310532004
oct320625463314
980300331244
1028023613132
1110980665359
125521074864
132847a97908
1414dbb79004
15ae037cba7
hex6865666cc

28023613132 has 12 divisors (see below), whose sum is σ = 49042647640. Its totient is φ = 14011428096.

The previous prime is 28023613091. The next prime is 28023613231. The reversal of 28023613132 is 23131632082.

It is a junction number, because it is equal to n+sod(n) for n = 28023613094 and 28023613103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132619 + ... + 271357.

Almost surely, 228023613132 is an apocalyptic number.

It is an amenable number.

28023613132 is a deficient number, since it is larger than the sum of its proper divisors (21019034508).

28023613132 is a wasteful number, since it uses less digits than its factorization.

28023613132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189240 (or 189238 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 28023613132 in words is "twenty-eight billion, twenty-three million, six hundred thirteen thousand, one hundred thirty-two".

Divisors: 1 2 4 50497 100994 138739 201988 277478 554956 7005903283 14011806566 28023613132