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542638830383 = 131722758718427
BaseRepresentation
bin1111110010101111100…
…10110111001100101111
31220212122102200201111122
413321113302313030233
532342311020033013
61053141305211155
754130044645236
oct7712762671457
91825572621448
10542638830383
1119a14a5228a1
1289200790abb
133c22ab1a620
141c39a05db1d
15e1ae11aa08
hex7e57cb732f

542638830383 has 32 divisors (see below), whose sum is σ = 622573910784. Its totient is φ = 468531021312.

The previous prime is 542638830361. The next prime is 542638830397. The reversal of 542638830383 is 383038836245.

It is a cyclic number.

It is not a de Polignac number, because 542638830383 - 28 = 542638830127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542638830353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29438816 + ... + 29457242.

It is an arithmetic number, because the mean of its divisors is an integer number (19455434712).

Almost surely, 2542638830383 is an apocalyptic number.

542638830383 is a deficient number, since it is larger than the sum of its proper divisors (79935080401).

542638830383 is a wasteful number, since it uses less digits than its factorization.

542638830383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19271.

The product of its (nonzero) digits is 9953280, while the sum is 53.

The spelling of 542638830383 in words is "five hundred forty-two billion, six hundred thirty-eight million, eight hundred thirty thousand, three hundred eighty-three".

Divisors: 1 13 17 221 227 587 2951 3859 7631 9979 18427 50167 129727 133249 239551 313259 1732237 2265233 4072367 4182929 10816649 29448029 54378077 71109793 140616437 183883033 924427309 2390479429 2455379323 31919931199 41741448491 542638830383