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1340101423 = 1739198429
BaseRepresentation
bin100111111100000…
…0101001100101111
310110101122012120001
41033320011030233
510221031221143
6340551005131
745131450143
oct11770051457
93411565501
101340101423
116284a8041
123149697a7
13184838a2b
14c9d9d223
157c9b214d
hex4fe0532f

1340101423 has 8 divisors (see below), whose sum is σ = 1349474400. Its totient is φ = 1330747488.

The previous prime is 1340101421. The next prime is 1340101439. The reversal of 1340101423 is 3241010431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340101423 - 21 = 1340101421 is a prime.

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 1340101423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340101421) 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 7 ways as a sum of consecutive naturals, for example, 154773 + ... + 163201.

It is an arithmetic number, because the mean of its divisors is an integer number (168684300).

Almost surely, 21340101423 is an apocalyptic number.

1340101423 is a deficient number, since it is larger than the sum of its proper divisors (9372977).

1340101423 is an equidigital number, since it uses as much as digits as its factorization.

1340101423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1340101423 is about 36607.3957418443. The cubic root of 1340101423 is about 1102.5015857225.

Adding to 1340101423 its reverse (3241010431), we get a palindrome (4581111854).

The spelling of 1340101423 in words is "one billion, three hundred forty million, one hundred one thousand, four hundred twenty-three".

Divisors: 1 173 919 8429 158987 1458217 7746251 1340101423