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7139328464928 = 2531118917357389
BaseRepresentation
bin110011111100100000100…
…1000110001100000100000
3221021111212002001100012010
41213321001020301200200
51413432321041334203
623103432350032520
71334541133451262
oct147710110614040
927244762040163
107139328464928
112302854884220
129737967a8740
133ca30b03659a
141a978c5b9b32
15c5a9c4c2303
hex67e41231820

7139328464928 has 96 divisors (see below), whose sum is σ = 20445578556480. Its totient is φ = 2163312450560.

The previous prime is 7139328464923. The next prime is 7139328464981. The reversal of 7139328464928 is 8294648239317.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (7139328464923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19797658 + ... + 20155046.

It is an arithmetic number, because the mean of its divisors is an integer number (212974776630).

Almost surely, 27139328464928 is an apocalyptic number.

It is an amenable number.

7139328464928 is an abundant number, since it is smaller than the sum of its proper divisors (13306250091552).

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

7139328464928 is a wasteful number, since it uses less digits than its factorization.

7139328464928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376330 (or 376322 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 66.

The spelling of 7139328464928 in words is "seven trillion, one hundred thirty-nine billion, three hundred twenty-eight million, four hundred sixty-four thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 18917 37834 56751 75668 113502 151336 208087 227004 302672 357389 416174 454008 605344 624261 714778 832348 908016 1072167 1248522 1429556 1664696 1816032 2144334 2497044 2859112 3329392 3931279 4288668 4994088 5718224 6658784 7862558 8577336 9988176 11436448 11793837 15725116 17154672 19976352 23587674 31450232 34309344 47175348 62900464 94350696 125800928 188701392 377402784 6760727713 13521455426 20282183139 27042910852 40564366278 54085821704 74368004843 81128732556 108171643408 148736009686 162257465112 216343286816 223104014529 297472019372 324514930224 446208029058 594944038744 649029860448 892416058116 1189888077488 1784832116232 2379776154976 3569664232464 7139328464928