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28311002119122 = 232328919660403
BaseRepresentation
bin1100110111111101010110…
…01110010111101111010010
310201020111122102012111101120
412123332223032113233102
512202321413020302442
6140113521140543110
75651255011313532
oct633765316275722
9121214572174346
1028311002119122
1190256a06a24a8
123212a413b1a96
1312a49401c3848
146dc38cd014c2
1534167a3174ec
hex19bfab397bd2

28311002119122 has 24 divisors (see below), whose sum is σ = 59190866440944. Its totient is φ = 9026696326824.

The previous prime is 28311002119111. The next prime is 28311002119139. The reversal of 28311002119122 is 22191120011382.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4459827028 + ... + 4459833375.

It is an arithmetic number, because the mean of its divisors is an integer number (2466286101706).

Almost surely, 228311002119122 is an apocalyptic number.

28311002119122 is an abundant number, since it is smaller than the sum of its proper divisors (30879864321822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28311002119122 is a wasteful number, since it uses less digits than its factorization.

28311002119122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919660454 (or 8919660431 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The spelling of 28311002119122 in words is "twenty-eight trillion, three hundred eleven billion, two million, one hundred nineteen thousand, one hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 529 1058 1587 3174 8919660403 17839320806 26758981209 53517962418 205152189269 410304378538 615456567807 1230913135614 4718500353187 9437000706374 14155501059561 28311002119122