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53520213260143 = 7253109587322093
BaseRepresentation
bin11000010101101001001010…
…10011001011011101101111
321000111111000200110021000001
430022310211103023131233
524003333344043311033
6305454502504245131
714162464530424300
oct1412644523133557
9230444020407001
1053520213260143
1116064882130833
1260046ab1707a7
1323b2c1bcc62b6
14d3056c0807a7
1562c2b482ae7d
hex30ad254cb76f

53520213260143 has 48 divisors (see below), whose sum is σ = 64124096873760. Its totient is φ = 44519875755264.

The previous prime is 53520213260089. The next prime is 53520213260159. The reversal of 53520213260143 is 34106231202535.

It is not a de Polignac number, because 53520213260143 - 213 = 53520213251951 is a prime.

It is a super-2 number, since 2×535202132601432 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53520213290143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166002805 + ... + 166324897.

It is an arithmetic number, because the mean of its divisors is an integer number (1335918684870).

Almost surely, 253520213260143 is an apocalyptic number.

53520213260143 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

53520213260143 is a deficient number, since it is larger than the sum of its proper divisors (10603883613617).

53520213260143 is a wasteful number, since it uses less digits than its factorization.

53520213260143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322856 (or 322849 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 53520213260143 its reverse (34106231202535), we get a palindrome (87626444462678).

The spelling of 53520213260143 in words is "fifty-three trillion, five hundred twenty billion, two hundred thirteen million, two hundred sixty thousand, one hundred forty-three".

Divisors: 1 7 49 53 109 371 587 763 2597 4109 5341 5777 28763 31111 40439 63983 217777 283073 322093 447881 1524439 2254651 3135167 3391099 15782557 17070929 23737693 35108137 119496503 166163851 189068591 245756959 836475521 1323480137 1720298713 1860731261 9264360959 10020635323 13025118827 20608476419 70144447261 91175831789 144259334933 491011130827 1009815344531 1092249250207 7645744751449 53520213260143