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1399811427071 = 73911699161911
BaseRepresentation
bin10100010111101011010…
…000110100101011111111
311221211011021011022001022
4110113223100310223333
5140413303211131241
62551021532534355
7203063426544521
oct24275320645377
94854137138038
101399811427071
1149a72506a6a2
121a73620213bb
13a2003820b65
144ba7355da11
152662b81154b
hex145eb434aff

1399811427071 has 8 divisors (see below), whose sum is σ = 1401834096000. Its totient is φ = 1397789106840.

The previous prime is 1399811427061. The next prime is 1399811427083. The reversal of 1399811427071 is 1707241189931.

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-1399811427071 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 (1399811427011) 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, 8564606 + ... + 8726516.

It is an arithmetic number, because the mean of its divisors is an integer number (175229262000).

Almost surely, 21399811427071 is an apocalyptic number.

1399811427071 is a deficient number, since it is larger than the sum of its proper divisors (2022668929).

1399811427071 is a wasteful number, since it uses less digits than its factorization.

1399811427071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174349.

The product of its (nonzero) digits is 762048, while the sum is 53.

The spelling of 1399811427071 in words is "one trillion, three hundred ninety-nine billion, eight hundred eleven million, four hundred twenty-seven thousand, seventy-one".

Divisors: 1 739 11699 161911 8645561 119652229 1894196789 1399811427071