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1348668668431 = 7907212422219
BaseRepresentation
bin10011101000000010111…
…010101011101000001111
311202221011001000222021101
4103220002322223220033
5134044033134342211
62511323030043531
7166303160351110
oct23500272535017
94687131028241
101348668668431
1147aa70338117
1219946a4a95a7
139a2430ac0b6
14493c1160207
152513698b5c1
hex13a02eaba0f

1348668668431 has 8 divisors (see below), whose sum is σ = 1543035006080. Its totient is φ = 1154727177048.

The previous prime is 1348668668429. The next prime is 1348668668467.

1348668668431 is nontrivially palindromic in base 10.

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 1348668668431 - 21 = 1348668668429 is a prime.

It is a super-2 number, since 2×13486686684312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348668662431) 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, 106204761 + ... + 106217458.

It is an arithmetic number, because the mean of its divisors is an integer number (192879375760).

Almost surely, 21348668668431 is an apocalyptic number.

1348668668431 is a deficient number, since it is larger than the sum of its proper divisors (194366337649).

1348668668431 is an equidigital number, since it uses as much as digits as its factorization.

1348668668431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212423133.

The product of its digits is 95551488, while the sum is 64.

The spelling of 1348668668431 in words is "one trillion, three hundred forty-eight billion, six hundred sixty-eight million, six hundred sixty-eight thousand, four hundred thirty-one".

Divisors: 1 7 907 6349 212422219 1486955533 192666952633 1348668668431