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340220143100401 = 691554149196461
BaseRepresentation
bin100110101011011011010110…
…0110001100110000111110001
31122121121201122201221210202121
41031112312230301212013301
5324043131323113203101
63203330550455114241
7131443044210160054
oct11526665461460761
91577551581853677
10340220143100401
119944a609294203
12321a8b39672981
13117ab81121a965
146002a582c8a9b
15294ed900d60a1
hex1356dacc661f1

340220143100401 has 4 divisors (see below), whose sum is σ = 340220199212404. Its totient is φ = 340220086988400.

The previous prime is 340220143100399. The next prime is 340220143100443. The reversal of 340220143100401 is 104001341022043.

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 17936503992801 + 322283639107600 = 4235151^2 + 17952260^2 .

It is a cyclic number.

It is not a de Polignac number, because 340220143100401 - 21 = 340220143100399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340220143100491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17682690 + ... + 31513771.

It is an arithmetic number, because the mean of its divisors is an integer number (85055049803101).

Almost surely, 2340220143100401 is an apocalyptic number.

It is an amenable number.

340220143100401 is a deficient number, since it is larger than the sum of its proper divisors (56112003).

340220143100401 is an equidigital number, since it uses as much as digits as its factorization.

340220143100401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56112002.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 340220143100401 its reverse (104001341022043), we get a palindrome (444221484122444).

The spelling of 340220143100401 in words is "three hundred forty trillion, two hundred twenty billion, one hundred forty-three million, one hundred thousand, four hundred one".

Divisors: 1 6915541 49196461 340220143100401