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1202141141 = 1382986929
BaseRepresentation
bin100011110100111…
…0011011111010101
310002210001002121222
41013221303133111
54430222004031
6315142020125
741535013445
oct10751633725
93083032558
101202141141
11567639483
12296717645
13162093c26
14b592a125
157080ee7b
hex47a737d5

1202141141 has 4 divisors (see below), whose sum is σ = 1202241900. Its totient is φ = 1202040384.

The previous prime is 1202141131. The next prime is 1202141221. The reversal of 1202141141 is 1411412021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1411412021 = 4730030043.

It can be written as a sum of positive squares in 2 ways, for example, as 236236900 + 965904241 = 15370^2 + 31079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1202141141 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 (1202141131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29636 + ... + 57293.

It is an arithmetic number, because the mean of its divisors is an integer number (300560475).

Almost surely, 21202141141 is an apocalyptic number.

It is an amenable number.

1202141141 is a deficient number, since it is larger than the sum of its proper divisors (100759).

1202141141 is an equidigital number, since it uses as much as digits as its factorization.

1202141141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100758.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1202141141 is about 34671.9070862853. The cubic root of 1202141141 is about 1063.2902219353.

Adding to 1202141141 its reverse (1411412021), we get a palindrome (2613553162).

The spelling of 1202141141 in words is "one billion, two hundred two million, one hundred forty-one thousand, one hundred forty-one".

Divisors: 1 13829 86929 1202141141