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27880473441 = 3193115778423
BaseRepresentation
bin11001111101110011…
…100100001101100001
32122222001000210112110
4121331303210031201
5424044400122231
620450315145533
72004622054062
oct317563441541
978861023473
1027880473441
1110907889397
1254a11452a9
13282422b482
1414c6b58569
15ad2a06046
hex67dce4361

27880473441 has 16 divisors (see below), whose sum is σ = 40392765440. Its totient is φ = 17040695760.

The previous prime is 27880473437. The next prime is 27880473451. The reversal of 27880473441 is 14437408872.

It is not a de Polignac number, because 27880473441 - 22 = 27880473437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27880473451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7887445 + ... + 7890978.

It is an arithmetic number, because the mean of its divisors is an integer number (2524547840).

Almost surely, 227880473441 is an apocalyptic number.

It is an amenable number.

27880473441 is a deficient number, since it is larger than the sum of its proper divisors (12512291999).

27880473441 is a wasteful number, since it uses less digits than its factorization.

27880473441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15778476.

The product of its (nonzero) digits is 1204224, while the sum is 48.

The spelling of 27880473441 in words is "twenty-seven billion, eight hundred eighty million, four hundred seventy-three thousand, four hundred forty-one".

Divisors: 1 3 19 31 57 93 589 1767 15778423 47335269 299790037 489131113 899370111 1467393339 9293491147 27880473441