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89665161703 = 13219892111487
BaseRepresentation
bin101001110000001110…
…1011100100111100111
322120102220211011022221
41103200131130213213
52432113240133303
6105105215333211
76322662204415
oct1234035344747
9276386734287
1089665161703
1135032712127
1215464821207
1385bc647200
1444a865a2b5
1524ebc8a4bd
hex14e075c9e7

89665161703 has 48 divisors (see below), whose sum is σ = 103911206400. Its totient is φ = 77111274240.

The previous prime is 89665161697. The next prime is 89665161727. The reversal of 89665161703 is 30716156698.

It is a happy number.

It is not a de Polignac number, because 89665161703 - 213 = 89665153511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89665162703) 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, 60298626 + ... + 60300112.

It is an arithmetic number, because the mean of its divisors is an integer number (2164816800).

Almost surely, 289665161703 is an apocalyptic number.

89665161703 is a deficient number, since it is larger than the sum of its proper divisors (14246044697).

89665161703 is a wasteful number, since it uses less digits than its factorization.

89665161703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1819 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 89665161703 in words is "eighty-nine billion, six hundred sixty-five million, one hundred sixty-one thousand, seven hundred three".

Divisors: 1 13 19 89 169 211 247 1157 1487 1691 2743 3211 4009 15041 18779 19331 21983 28253 35659 52117 132343 244127 251303 285779 313757 356801 367289 677521 1720459 2514517 3173651 4078841 4638413 4774757 5961383 22365967 27924373 32688721 53024933 60299369 77497979 363016849 424953373 530563087 1007473727 4719219037 6897320131 89665161703