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303242143441 = 1903715929093
BaseRepresentation
bin1000110100110101010…
…00111110011011010001
31001222201110120222102211
410122122220332123101
514432014442042231
6351150231312121
730623423455516
oct4323250763321
91058643528384
10303242143441
11107671314696
124a92b21b641
1322798734793
141096997b30d
157d4c133eb1
hex469aa3e6d1

303242143441 has 4 divisors (see below), whose sum is σ = 303258091572. Its totient is φ = 303226195312.

The previous prime is 303242143433. The next prime is 303242143471. The reversal of 303242143441 is 144341242303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144341242303 = 539592675017.

It can be written as a sum of positive squares in 2 ways, for example, as 87263523216 + 215978620225 = 295404^2 + 464735^2 .

It is a cyclic number.

It is not a de Polignac number, because 303242143441 - 23 = 303242143433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (303242143411) 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, 7945510 + ... + 7983583.

It is an arithmetic number, because the mean of its divisors is an integer number (75814522893).

Almost surely, 2303242143441 is an apocalyptic number.

It is an amenable number.

303242143441 is a deficient number, since it is larger than the sum of its proper divisors (15948131).

303242143441 is a wasteful number, since it uses less digits than its factorization.

303242143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15948130.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 303242143441 its reverse (144341242303), we get a palindrome (447583385744).

The spelling of 303242143441 in words is "three hundred three billion, two hundred forty-two million, one hundred forty-three thousand, four hundred forty-one".

Divisors: 1 19037 15929093 303242143441