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20125527143423 = 137432083603597
BaseRepresentation
bin1001001001101110101101…
…11001010111001111111111
32122020222111120221002112212
410210313112321113033333
510114214034422042143
6110445312312251035
74145010216106022
oct444672671271777
978228446832485
1020125527143423
11645a208445889
1223105663a0a7b
13b2caa15c6770
144d811b6851b9
1524d7a01bd918
hex124dd6e573ff

20125527143423 has 8 divisors (see below), whose sum is σ = 21702815076768. Its totient is φ = 18552406418784.

The previous prime is 20125527143411. The next prime is 20125527143431. The reversal of 20125527143423 is 32434172552102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20125527143423 - 218 = 20125526881279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125527143453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041792140 + ... + 1041811457.

It is an arithmetic number, because the mean of its divisors is an integer number (2712851884596).

Almost surely, 220125527143423 is an apocalyptic number.

20125527143423 is a deficient number, since it is larger than the sum of its proper divisors (1577287933345).

20125527143423 is a wasteful number, since it uses less digits than its factorization.

20125527143423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083604353.

The product of its (nonzero) digits is 403200, while the sum is 41.

Adding to 20125527143423 its reverse (32434172552102), we get a palindrome (52559699695525).

The spelling of 20125527143423 in words is "twenty trillion, one hundred twenty-five billion, five hundred twenty-seven million, one hundred forty-three thousand, four hundred twenty-three".

Divisors: 1 13 743 9659 2083603597 27086846761 1548117472571 20125527143423