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304120134041401 = 1994915244881149
BaseRepresentation
bin100010100100110000111110…
…0100011101111111100111001
31110212210121020001000220112001
41011021201330203233330321
5304330201013303311101
62554450505535421001
7121025645300130646
oct10511417443577471
91425717201026461
10304120134041401
11889a16962a8527
122a138629684761
13100905370b9a42
1455156c8c10dcd
152525ce144a901
hex114987c8eff39

304120134041401 has 4 divisors (see below), whose sum is σ = 304135378942500. Its totient is φ = 304104889140304.

The previous prime is 304120134041393. The next prime is 304120134041407. The reversal of 304120134041401 is 104140431021403.

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 23244355137600 + 280875778903801 = 4821240^2 + 16759349^2 .

It is a cyclic number.

It is not a de Polignac number, because 304120134041401 - 23 = 304120134041393 is a prime.

It is a super-2 number, since 2×3041201340414012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304120134041401.

It is not an unprimeable number, because it can be changed into a prime (304120134041407) 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, 7622420626 + ... + 7622460523.

It is an arithmetic number, because the mean of its divisors is an integer number (76033844735625).

Almost surely, 2304120134041401 is an apocalyptic number.

It is an amenable number.

304120134041401 is a deficient number, since it is larger than the sum of its proper divisors (15244901099).

304120134041401 is a wasteful number, since it uses less digits than its factorization.

304120134041401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244901098.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 304120134041401 its reverse (104140431021403), we get a palindrome (408260565062804).

The spelling of 304120134041401 in words is "three hundred four trillion, one hundred twenty billion, one hundred thirty-four million, forty-one thousand, four hundred one".

Divisors: 1 19949 15244881149 304120134041401