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27534660481 = 375931254941
BaseRepresentation
bin11001101001001100…
…011001001110000001
32122001221022200100001
4121221030121032001
5422342333113411
620352123200001
71663222516036
oct315114311601
978057280301
1027534660481
111074a663a59
125405376001
13279a6b0013
141492c5b38d
15ab2497dc1
hex669319381

27534660481 has 8 divisors (see below), whose sum is σ = 28326550824. Its totient is φ = 26745281280.

The previous prime is 27534660469. The next prime is 27534660509. The reversal of 27534660481 is 18406643572.

It can be written as a sum of positive squares in 4 ways, for example, as 3545607025 + 23989053456 = 59545^2 + 154884^2 .

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

It is not a de Polignac number, because 27534660481 - 29 = 27534659969 is a prime.

It is a super-2 number, since 2×275346604812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27534661481) 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, 605530 + ... + 649411.

It is an arithmetic number, because the mean of its divisors is an integer number (3540818853).

Almost surely, 227534660481 is an apocalyptic number.

It is an amenable number.

27534660481 is a deficient number, since it is larger than the sum of its proper divisors (791890343).

27534660481 is a wasteful number, since it uses less digits than its factorization.

27534660481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255571.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 27534660481 in words is "twenty-seven billion, five hundred thirty-four million, six hundred sixty thousand, four hundred eighty-one".

Divisors: 1 37 593 21941 1254941 46432817 744180013 27534660481