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93857920304421 = 37137323687198827
BaseRepresentation
bin10101010101110011111111…
…111111111100010100100101
3110022022201200211202121122010
4111111303333333330110211
544300232010044220141
6531341422222424433
725525003522142250
oct2525637777742445
9408281624677563
1093857920304421
11279a6a14160609
12a63a363732119
13404a9c13c5180
141926a67512097
15acb6d725e416
hex555cffffc525

93857920304421 has 64 divisors (see below), whose sum is σ = 156140538236928. Its totient is φ = 48826982850048.

The previous prime is 93857920304377. The next prime is 93857920304557. The reversal of 93857920304421 is 12440302975839.

It is not a de Polignac number, because 93857920304421 - 215 = 93857920271653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93857920306421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 471958810 + ... + 472157636.

It is an arithmetic number, because the mean of its divisors is an integer number (2439695909952).

Almost surely, 293857920304421 is an apocalyptic number.

93857920304421 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

93857920304421 is a deficient number, since it is larger than the sum of its proper divisors (62282617932507).

93857920304421 is a wasteful number, since it uses less digits than its factorization.

93857920304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222610.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 93857920304421 in words is "ninety-three trillion, eight hundred fifty-seven billion, nine hundred twenty million, three hundred four thousand, four hundred twenty-one".

Divisors: 1 3 7 13 21 39 73 91 219 273 511 949 1533 2847 6643 19929 23687 71061 165809 198827 307931 497427 596481 923793 1391789 1729151 2155517 2584751 4175367 5187453 6466551 7754253 12104057 14514371 18093257 22478963 36312171 43543113 54279771 67436889 101600597 157352741 188686823 304801791 472058223 566060469 1320807761 3962423283 4709615149 14128845447 32967306043 61224996937 98901918129 183674990811 343801905877 428574978559 1031405717631 1285724935677 2406613341139 4469424776401 7219840023417 13408274329203 31285973434807 93857920304421