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84380628368387 = 131779113127733493
BaseRepresentation
bin10011001011111001100101…
…011000010011110000000011
3102001202201011001222020200102
4103023321211120103300003
542024443011330242022
6455243531525313015
723526204426641411
oct2313714530236003
9361681131866612
1084380628368387
1124982694a085aa
12956964586576b
13381109cb40370
1416ba0894202b1
159b4e017e4a92
hex4cbe65613c03

84380628368387 has 64 divisors (see below), whose sum is σ = 98376926215680. Its totient is φ = 71681256751104.

The previous prime is 84380628368357. The next prime is 84380628368411. The reversal of 84380628368387 is 78386382608348.

It is not a de Polignac number, because 84380628368387 - 216 = 84380628302851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84380628368317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2519334413 + ... + 2519367905.

It is an arithmetic number, because the mean of its divisors is an integer number (1537139472120).

Almost surely, 284380628368387 is an apocalyptic number.

84380628368387 is a deficient number, since it is larger than the sum of its proper divisors (13996297847293).

84380628368387 is a wasteful number, since it uses less digits than its factorization.

84380628368387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34992.

The product of its (nonzero) digits is 1783627776, while the sum is 74.

The spelling of 84380628368387 in words is "eighty-four trillion, three hundred eighty billion, six hundred twenty-eight million, three hundred sixty-eight thousand, three hundred eighty-seven".

Divisors: 1 13 17 79 113 221 1027 1277 1343 1469 1921 8927 16601 17459 21709 24973 33493 100883 116051 144301 151759 282217 435409 569381 1311479 1715011 1875913 1972867 2453117 2645947 3784709 7401953 11399779 22295143 31890521 34397311 42770561 44981099 49201217 64340053 148197127 193796243 298992011 556017293 584754287 727099537 836420689 2519351159 3378874319 3886896143 4833073393 5082864187 9452293981 43925366147 57440863423 62829954109 66077234431 82162247681 381812798047 746731224499 1068109219853 4963566374611 6490817566799 84380628368387