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142120334310401 = 1311084888048171
BaseRepresentation
bin100000010100000111111000…
…000010101011110000000001
3200122012120102110022201201102
4200110013320002223300001
5122111444421040413101
61222133102533544145
741635566241406336
oct4024077002536001
9618176373281642
10142120334310401
1141313993715537
1213b33a584a5055
13613bb754b0b25
14271493766898d
151166d219a986b
hex8141f80abc01

142120334310401 has 4 divisors (see below), whose sum is σ = 143205222358704. Its totient is φ = 141035446262100.

The previous prime is 142120334310323. The next prime is 142120334310413. The reversal of 142120334310401 is 104013433021241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142120334310401 - 218 = 142120334048257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142120334310431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542444023955 + ... + 542444024216.

It is an arithmetic number, because the mean of its divisors is an integer number (35801305589676).

Almost surely, 2142120334310401 is an apocalyptic number.

It is an amenable number.

142120334310401 is a deficient number, since it is larger than the sum of its proper divisors (1084888048303).

142120334310401 is a wasteful number, since it uses less digits than its factorization.

142120334310401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084888048302.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 142120334310401 its reverse (104013433021241), we get a palindrome (246133767331642).

The spelling of 142120334310401 in words is "one hundred forty-two trillion, one hundred twenty billion, three hundred thirty-four million, three hundred ten thousand, four hundred one".

Divisors: 1 131 1084888048171 142120334310401