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28110611542 = 21322316972857
BaseRepresentation
bin11010001011100001…
…011110010001010110
32200120002002000122211
4122023201132101112
5430032304032132
620525215544034
72013415153456
oct321341362126
980502060584
1028110611542
1110a15786572
12554622b01a
13285cb08570
141509543d66
15ae7d15147
hex68b85e456

28110611542 has 32 divisors (see below), whose sum is σ = 45655932672. Its totient is φ = 12903819264.

The previous prime is 28110611539. The next prime is 28110611591. The reversal of 28110611542 is 24511601182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9837778 + ... + 9840634.

It is an arithmetic number, because the mean of its divisors is an integer number (1426747896).

Almost surely, 228110611542 is an apocalyptic number.

28110611542 is a deficient number, since it is larger than the sum of its proper divisors (17545321130).

28110611542 is a wasteful number, since it uses less digits than its factorization.

28110611542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792.

The product of its (nonzero) digits is 3840, while the sum is 31.

The spelling of 28110611542 in words is "twenty-eight billion, one hundred ten million, six hundred eleven thousand, five hundred forty-two".

Divisors: 1 2 13 26 223 446 1697 2857 2899 3394 5714 5798 22061 37141 44122 74282 378431 637111 756862 1274222 4848329 4919603 8282443 9696658 9839206 16564886 63028277 126056554 1081177367 2162354734 14055305771 28110611542