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89312275371 = 31131273173223
BaseRepresentation
bin101001100101101101…
…1010010101110101011
322112112022210200021210
41103023123102232223
52430402420302441
6105010212004203
76311145546324
oct1231333225653
9275468720253
1089312275371
11349714a6430
1215386600663
1385644c0327
14447383b44b
1524cacd1616
hex14cb6d2bab

89312275371 has 96 divisors (see below), whose sum is σ = 137473652736. Its totient is φ = 51136012800.

The previous prime is 89312275343. The next prime is 89312275411. The reversal of 89312275371 is 17357221398.

It is a de Polignac number, because none of the positive numbers 2k-89312275371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89312275371.

It is not an unprimeable number, because it can be changed into a prime (89312275271) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 400503366 + ... + 400503588.

It is an arithmetic number, because the mean of its divisors is an integer number (1432017216).

Almost surely, 289312275371 is an apocalyptic number.

89312275371 is a deficient number, since it is larger than the sum of its proper divisors (48161377365).

89312275371 is a wasteful number, since it uses less digits than its factorization.

89312275371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 514 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The spelling of 89312275371 in words is "eighty-nine billion, three hundred twelve million, two hundred seventy-five thousand, three hundred seventy-one".

Divisors: 1 3 11 31 33 73 93 173 219 223 341 519 669 803 961 1023 1903 2263 2409 2453 2883 5363 5709 6789 6913 7359 10571 12629 16089 16279 20739 24893 31713 37887 38579 48837 58993 70153 74679 76043 115737 138919 166253 176979 179069 210459 214303 228129 391499 416757 424369 498759 504649 537207 642909 771683 1174497 1195949 1273107 1513947 1828783 2315049 2357333 2816267 3587847 4306489 5486349 5551139 7071999 8448801 12136469 12919467 13155439 15644119 16653417 30978937 36409407 37074419 39466317 46932357 87304277 92936811 111223257 133501159 172085309 261912831 400503477 407818609 516255927 960347047 1223455827 2706432587 2881041141 8119297761 29770758457 89312275371