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12882545541 = 325327007433
BaseRepresentation
bin10111111111101110…
…00000101110000101
31020020210210010020100
423333313000232011
5202340412424131
65530153354313
7634145554545
oct137767005605
936223703210
1012882545541
115510952158
1225b6408999
1312a3c59618
148a2d13325
15505ea07e6
hex2ffdc0b85

12882545541 has 12 divisors (see below), whose sum is σ = 18959218668. Its totient is φ = 8426318784.

The previous prime is 12882545537. The next prime is 12882545551. The reversal of 12882545541 is 14554528821.

12882545541 is a `hidden beast` number, since 1 + 2 + 88 + 25 + 4 + 5 + 541 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11076720516 + 1805825025 = 105246^2 + 42495^2 .

It is not a de Polignac number, because 12882545541 - 22 = 12882545537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12882545551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13503240 + ... + 13504193.

It is an arithmetic number, because the mean of its divisors is an integer number (1579934889).

Almost surely, 212882545541 is an apocalyptic number.

It is an amenable number.

12882545541 is a deficient number, since it is larger than the sum of its proper divisors (6076673127).

12882545541 is a wasteful number, since it uses less digits than its factorization.

12882545541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27007492 (or 27007489 counting only the distinct ones).

The product of its digits is 512000, while the sum is 45.

The spelling of 12882545541 in words is "twelve billion, eight hundred eighty-two million, five hundred forty-five thousand, five hundred forty-one".

Divisors: 1 3 9 53 159 477 27007433 81022299 243066897 1431393949 4294181847 12882545541