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1305431422141 = 71116953654833
BaseRepresentation
bin10010111111110001110…
…001101011010010111101
311121210112202112021201011
4102333301301223102331
5132342010421002031
62435412405515221
7163212544001350
oct22776161532275
94553482467634
101305431422141
114636a3007020
12191002412b11
13961424499b2
144727ca70297
1523e55b9a6b1
hex12ff1c6b4bd

1305431422141 has 8 divisors (see below), whose sum is σ = 1627550864064. Its totient is φ = 1017219289920.

The previous prime is 1305431422123. The next prime is 1305431422151. The reversal of 1305431422141 is 1412241345031.

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 1305431422141 - 27 = 1305431422013 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 (1305431422121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8476827340 + ... + 8476827493.

It is an arithmetic number, because the mean of its divisors is an integer number (203443858008).

Almost surely, 21305431422141 is an apocalyptic number.

1305431422141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1305431422141 is a deficient number, since it is larger than the sum of its proper divisors (322119441923).

1305431422141 is a wasteful number, since it uses less digits than its factorization.

1305431422141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16953654851.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1305431422141 its reverse (1412241345031), we get a palindrome (2717672767172).

The spelling of 1305431422141 in words is "one trillion, three hundred five billion, four hundred thirty-one million, four hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 7 11 77 16953654833 118675583831 186490203163 1305431422141