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1320113304421 = 23186130841607
BaseRepresentation
bin10011001101011100111…
…000100111001101100101
311200012102222002011220221
4103031130320213031211
5133112043001220141
62450241321324341
7164242431642022
oct23153470471545
94605388064827
101320113304421
114699475aa52a
12193a1b3366b1
13976420c34c2
1447c72926549
1524514ac2bd1
hex1335ce27365

1320113304421 has 8 divisors (see below), whose sum is σ = 1378249778304. Its totient is φ = 1262038517520.

The previous prime is 1320113304353. The next prime is 1320113304427. The reversal of 1320113304421 is 1244033110231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1320113304421 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 (1320113304427) 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, 15378001 + ... + 15463606.

It is an arithmetic number, because the mean of its divisors is an integer number (172281222288).

Almost surely, 21320113304421 is an apocalyptic number.

It is an amenable number.

1320113304421 is a deficient number, since it is larger than the sum of its proper divisors (58136473883).

1320113304421 is a wasteful number, since it uses less digits than its factorization.

1320113304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30843491.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1320113304421 its reverse (1244033110231), we get a palindrome (2564146414652).

The spelling of 1320113304421 in words is "one trillion, three hundred twenty billion, one hundred thirteen million, three hundred four thousand, four hundred twenty-one".

Divisors: 1 23 1861 42803 30841607 709356961 57396230627 1320113304421