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52143532110131 = 7111982343306819
BaseRepresentation
bin10111101101100100111001…
…01101010111000100110011
320211121212120101222210001212
423312302130231113010303
523313304423210011011
6302522224041350335
713661150222632520
oct1366623455270463
9224555511883055
1052143532110131
1115683a475516a0
125a219234983ab
132313163549217
14cc3a90842147
1560658d9b008b
hex2f6c9cb57133

52143532110131 has 32 divisors (see below), whose sum is σ = 68514853785600. Its totient is φ = 38446060747680.

The previous prime is 52143532110127. The next prime is 52143532110139. The reversal of 52143532110131 is 13101123534125.

It is a cyclic number.

It is not a de Polignac number, because 52143532110131 - 22 = 52143532110127 is a prime.

It is a super-2 number, since 2×521435321101312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52143532110139) 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, 20449361 + ... + 22857458.

It is an arithmetic number, because the mean of its divisors is an integer number (2141089180800).

Almost surely, 252143532110131 is an apocalyptic number.

52143532110131 is a deficient number, since it is larger than the sum of its proper divisors (16371321675469).

52143532110131 is a wasteful number, since it uses less digits than its factorization.

52143532110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43307679.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 52143532110131 its reverse (13101123534125), we get a palindrome (65244655644256).

The spelling of 52143532110131 in words is "fifty-two trillion, one hundred forty-three billion, five hundred thirty-two million, one hundred ten thousand, one hundred thirty-one".

Divisors: 1 7 11 19 77 133 209 823 1463 5761 9053 15637 63371 109459 172007 1204049 43306819 303147733 476375009 822829561 3334625063 5759806927 9051125171 35641512037 63357876197 249490584259 392056632407 677188728703 2744396426849 4740321100921 7449076015733 52143532110131