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27402934849 = 471277456571
BaseRepresentation
bin11001100001010101…
…111001101001000001
32121201202110022201221
4121201111321221001
5422110122403344
620331055555041
71660033050223
oct314125715101
977652408657
1027402934849
11106922735a4
12538922ba81
13277930bc64
14147d56c413
15aa5b28184
hex661579a41

27402934849 has 8 divisors (see below), whose sum is σ = 28007952768. Its totient is φ = 26798832720.

The previous prime is 27402934807. The next prime is 27402934883. The reversal of 27402934849 is 94843920472.

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 27402934849 - 27 = 27402934721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27402934796 and 27402934805.

It is not an unprimeable number, because it can be changed into a prime (27402994849) 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, 168267 + ... + 288304.

It is an arithmetic number, because the mean of its divisors is an integer number (3500994096).

Almost surely, 227402934849 is an apocalyptic number.

It is an amenable number.

27402934849 is a deficient number, since it is larger than the sum of its proper divisors (605017919).

27402934849 is a wasteful number, since it uses less digits than its factorization.

27402934849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457895.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 27402934849 in words is "twenty-seven billion, four hundred two million, nine hundred thirty-four thousand, eight hundred forty-nine".

Divisors: 1 47 1277 60019 456571 21458837 583041167 27402934849