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28475271023 = 246711542469
BaseRepresentation
bin11010100001010000…
…100010011101101111
32201111111020122102112
4122201100202131233
5431304132133043
621025323514235
72025433544603
oct324120423557
981444218375
1028475271023
1111092603641
12562838897b
1328ba5250c4
141541b49503
15b19d47518
hex6a142276f

28475271023 has 4 divisors (see below), whose sum is σ = 28486815960. Its totient is φ = 28463726088.

The previous prime is 28475271017. The next prime is 28475271029. The reversal of 28475271023 is 32017257482.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (28475271017) and next prime (28475271029).

It is a cyclic number.

It is not a de Polignac number, because 28475271023 - 24 = 28475271007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28475271029) by changing a digit.

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, 5768768 + ... + 5773701.

It is an arithmetic number, because the mean of its divisors is an integer number (7121703990).

Almost surely, 228475271023 is an apocalyptic number.

28475271023 is a deficient number, since it is larger than the sum of its proper divisors (11544937).

28475271023 is a wasteful number, since it uses less digits than its factorization.

28475271023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11544936.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 28475271023 in words is "twenty-eight billion, four hundred seventy-five million, two hundred seventy-one thousand, twenty-three".

Divisors: 1 2467 11542469 28475271023