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1405311310001 = 2575468137393
BaseRepresentation
bin10100011100110011000…
…101001101100010110001
311222100100120011022002002
4110130303011031202301
5141011034143410001
62553331402303345
7203346632020604
oct24346305154261
94870316138062
101405311310001
114a1a97664095
121a8437ab7b55
13a269c0c3461
144c035b8633b
152684e5ab46b
hex1473314d8b1

1405311310001 has 4 divisors (see below), whose sum is σ = 1410779447652. Its totient is φ = 1399843172352.

The previous prime is 1405311309979. The next prime is 1405311310079. The reversal of 1405311310001 is 1000131135041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 679884351601 + 725426958400 = 824551^2 + 851720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1405311310001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405311312001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2734068440 + ... + 2734068953.

It is an arithmetic number, because the mean of its divisors is an integer number (352694861913).

Almost surely, 21405311310001 is an apocalyptic number.

It is an amenable number.

1405311310001 is a deficient number, since it is larger than the sum of its proper divisors (5468137651).

1405311310001 is an equidigital number, since it uses as much as digits as its factorization.

1405311310001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468137650.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 1405311310001 its reverse (1000131135041), we get a palindrome (2405442445042).

The spelling of 1405311310001 in words is "one trillion, four hundred five billion, three hundred eleven million, three hundred ten thousand, one".

Divisors: 1 257 5468137393 1405311310001