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1341243001 = 7191606143
BaseRepresentation
bin100111111110001…
…1011111001111001
310110110210012111201
41033330123321321
510221324234001
6341031254201
745144243310
oct11774337171
93413705451
101341243001
1162910779a
1231521a361
13184b48517
14ca1b9277
157cb3a501
hex4ff1be79

1341243001 has 4 divisors (see below), whose sum is σ = 1532849152. Its totient is φ = 1149636852.

The previous prime is 1341242989. The next prime is 1341243017. The reversal of 1341243001 is 1003421431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1003421431 = 2934600739.

It is not a de Polignac number, because 1341243001 - 219 = 1340718713 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 1341243001.

It is not an unprimeable number, because it can be changed into a prime (1341243061) 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, 95803065 + ... + 95803078.

It is an arithmetic number, because the mean of its divisors is an integer number (383212288).

Almost surely, 21341243001 is an apocalyptic number.

It is an amenable number.

1341243001 is a deficient number, since it is larger than the sum of its proper divisors (191606151).

1341243001 is an equidigital number, since it uses as much as digits as its factorization.

1341243001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191606150.

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

The square root of 1341243001 is about 36622.9845998384. The cubic root of 1341243001 is about 1102.8145556519.

Adding to 1341243001 its reverse (1003421431), we get a palindrome (2344664432).

The spelling of 1341243001 in words is "one billion, three hundred forty-one million, two hundred forty-three thousand, one".

Divisors: 1 7 191606143 1341243001