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1341402143 = 1638229461
BaseRepresentation
bin100111111110100…
…0010110000011111
310110111002021210212
41033331002300133
510221344332033
6341034523035
745145505264
oct11775026037
93414067725
101341402143
11629206314
1231529647b
13184ba2aa3
14ca21b26b
157cb6c748
hex4ff42c1f

1341402143 has 4 divisors (see below), whose sum is σ = 1349631768. Its totient is φ = 1333172520.

The previous prime is 1341402133. The next prime is 1341402149. The reversal of 1341402143 is 3412041431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412041431 = 15592188609.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1341402143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341402149) 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, 4114568 + ... + 4114893.

It is an arithmetic number, because the mean of its divisors is an integer number (337407942).

Almost surely, 21341402143 is an apocalyptic number.

1341402143 is a deficient number, since it is larger than the sum of its proper divisors (8229625).

1341402143 is an equidigital number, since it uses as much as digits as its factorization.

1341402143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229624.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1341402143 is about 36625.1572419833. The cubic root of 1341402143 is about 1102.8581712067.

Adding to 1341402143 its reverse (3412041431), we get a palindrome (4753443574).

The spelling of 1341402143 in words is "one billion, three hundred forty-one million, four hundred two thousand, one hundred forty-three".

Divisors: 1 163 8229461 1341402143