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28514451027 = 384431125763
BaseRepresentation
bin11010100011100101…
…111111111001010011
32201121012222012021210
4122203211333321103
5431344144413102
621033243351203
72026420556166
oct324345777123
981535865253
1028514451027
1111102734107
125639522503
1328c569263a
141547027add
15b1d4d636c
hex6a397fe53

28514451027 has 8 divisors (see below), whose sum is σ = 38023804864. Its totient is φ = 19007365608.

The previous prime is 28514451019. The next prime is 28514451029. The reversal of 28514451027 is 72015441582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28514451027 - 23 = 28514451019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28514451029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537553 + ... + 588210.

It is an arithmetic number, because the mean of its divisors is an integer number (4752975608).

Almost surely, 228514451027 is an apocalyptic number.

28514451027 is a deficient number, since it is larger than the sum of its proper divisors (9509353837).

28514451027 is a wasteful number, since it uses less digits than its factorization.

28514451027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134209.

The product of its (nonzero) digits is 89600, while the sum is 39.

The spelling of 28514451027 in words is "twenty-eight billion, five hundred fourteen million, four hundred fifty-one thousand, twenty-seven".

Divisors: 1 3 8443 25329 1125763 3377289 9504817009 28514451027