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128468841147 = 32235373160409
BaseRepresentation
bin111011110100101010…
…1101111001010111011
3110021121012210022112200
41313221111233022323
54101101010404042
6135003501041243
712165402063243
oct1675125571273
9407535708480
10128468841147
114a535347899
1220a93b56223
13c1648c2c8a
146309db4b23
15351d711c4c
hex1de956f2bb

128468841147 has 48 divisors (see below), whose sum is σ = 199991488320. Its totient is φ = 79274916864.

The previous prime is 128468841139. The next prime is 128468841173. The reversal of 128468841147 is 741148864821.

128468841147 is a `hidden beast` number, since 128 + 4 + 68 + 8 + 411 + 47 = 666.

It is not a de Polignac number, because 128468841147 - 23 = 128468841139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128468841093 and 128468841102.

It is not an unprimeable number, because it can be changed into a prime (128468841647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 720679 + ... + 881087.

It is an arithmetic number, because the mean of its divisors is an integer number (4166489340).

Almost surely, 2128468841147 is an apocalyptic number.

128468841147 is a deficient number, since it is larger than the sum of its proper divisors (71522647173).

128468841147 is a wasteful number, since it uses less digits than its factorization.

128468841147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160564 (or 160561 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The spelling of 128468841147 in words is "one hundred twenty-eight billion, four hundred sixty-eight million, eight hundred forty-one thousand, one hundred forty-seven".

Divisors: 1 3 9 23 53 69 73 159 207 219 477 657 1219 1679 3657 3869 5037 10971 11607 15111 34821 88987 160409 266961 481227 800883 1443681 3689407 8501677 11068221 11709857 25505031 33204663 35129571 76515093 105388713 195538571 269326711 586615713 620622421 807980133 1759847139 1861867263 2423940399 5585601789 14274315683 42822947049 128468841147