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2030443141 = 15491310809
BaseRepresentation
bin111100100000110…
…0001101010000101
312020111122012100211
41321001201222011
513124243140031
6533251235421
7101213324206
oct17101415205
95214565324
102030443141
1195214aa91
12487ba8b71
13264875c5c
141539415ad
15bd3c7bb1
hex79061a85

2030443141 has 4 divisors (see below), whose sum is σ = 2031755500. Its totient is φ = 2029130784.

The previous prime is 2030443111. The next prime is 2030443153. The reversal of 2030443141 is 1413440302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1413440302 = 2706720151.

It can be written as a sum of positive squares in 2 ways, for example, as 534996900 + 1495446241 = 23130^2 + 38671^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030443141 - 25 = 2030443109 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 (2030443111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653856 + ... + 656953.

It is an arithmetic number, because the mean of its divisors is an integer number (507938875).

Almost surely, 22030443141 is an apocalyptic number.

It is an amenable number.

2030443141 is a deficient number, since it is larger than the sum of its proper divisors (1312359).

2030443141 is a wasteful number, since it uses less digits than its factorization.

2030443141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312358.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2030443141 is about 45060.4387572957. The cubic root of 2030443141 is about 1266.2815450219.

Adding to 2030443141 its reverse (1413440302), we get a palindrome (3443883443).

The spelling of 2030443141 in words is "two billion, thirty million, four hundred forty-three thousand, one hundred forty-one".

Divisors: 1 1549 1310809 2030443141