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542131225454 = 271326352121739
BaseRepresentation
bin1111110001110011000…
…10100000001101101110
31220211100001112201110002
413320321202200031232
532340241043203304
61053015053344302
754111342245420
oct7707142401556
91824301481402
10542131225454
11199a09a41795
128909a798092
133c179901b90
141c34c888810
15e17e79e31e
hex7e398a036e

542131225454 has 64 divisors (see below), whose sum is σ = 1006637829120. Its totient is φ = 213234128640.

The previous prime is 542131225453. The next prime is 542131225459. The reversal of 542131225454 is 454522131245.

It is a super-2 number, since 2×5421312254542 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542131225453) 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, 24927317 + ... + 24949055.

It is an arithmetic number, because the mean of its divisors is an integer number (15728716080).

Almost surely, 2542131225454 is an apocalyptic number.

542131225454 is a deficient number, since it is larger than the sum of its proper divisors (464506603666).

542131225454 is a wasteful number, since it uses less digits than its factorization.

542131225454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22545.

The product of its digits is 192000, while the sum is 38.

Adding to 542131225454 its reverse (454522131245), we get a palindrome (996653356699).

The spelling of 542131225454 in words is "five hundred forty-two billion, one hundred thirty-one million, two hundred twenty-five thousand, four hundred fifty-four".

Divisors: 1 2 7 13 14 26 91 182 263 521 526 1042 1841 3419 3647 3682 6773 6838 7294 13546 21739 23933 43478 47411 47866 94822 137023 152173 274046 282607 304346 565214 959161 1781299 1918322 1978249 3562598 3956498 5717357 11326019 11434714 12469093 22652038 24938186 40021499 74325641 79282133 80042998 147238247 148651282 158564266 294476494 520279487 1030667729 1040558974 2061335458 2978742997 5957485994 20851200979 38723658961 41702401958 77447317922 271065612727 542131225454