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27028100465 = 520872590139
BaseRepresentation
bin11001001011000000…
…000001010101110001
32120202122010202121222
4121023000001111301
5420323143203330
620225545554425
71644532030502
oct311300012561
976678122558
1027028100465
111050a726a13
1252a37a5a15
13271976c072
141445878ba9
15a82c860e5
hex64b001571

27028100465 has 8 divisors (see below), whose sum is σ = 32449273920. Its totient is φ = 21612111472.

The previous prime is 27028100459. The next prime is 27028100507. The reversal of 27028100465 is 56400182072.

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

It is a cyclic number.

It is not a de Polignac number, because 27028100465 - 212 = 27028096369 is a prime.

It is a super-2 number, since 2×270281004652 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284635 + ... + 1305504.

It is an arithmetic number, because the mean of its divisors is an integer number (4056159240).

Almost surely, 227028100465 is an apocalyptic number.

It is an amenable number.

27028100465 is a deficient number, since it is larger than the sum of its proper divisors (5421173455).

27028100465 is a wasteful number, since it uses less digits than its factorization.

27028100465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592231.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 27028100465 in words is "twenty-seven billion, twenty-eight million, one hundred thousand, four hundred sixty-five".

Divisors: 1 5 2087 10435 2590139 12950695 5405620093 27028100465