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45243042541 = 1812113118297
BaseRepresentation
bin101010001000101100…
…100000101011101101
311022210001202200202021
4222020230200223231
51220124204330131
632441231230141
73161110342054
oct521054405355
9138701680667
1045243042541
1118207577554
128927978351
134360388ab8
142292a5739b
15129be4ae11
hexa88b20aed

45243042541 has 8 divisors (see below), whose sum is σ = 45514918904. Its totient is φ = 44971407360.

The previous prime is 45243042529. The next prime is 45243042571. The reversal of 45243042541 is 14524034254.

It can be written as a sum of positive squares in 4 ways, for example, as 16191544516 + 29051498025 = 127246^2 + 170445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45243042541 - 213 = 45243034349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45243042497 and 45243042506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45243042571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323305 + ... + 441601.

It is an arithmetic number, because the mean of its divisors is an integer number (5689364863).

Almost surely, 245243042541 is an apocalyptic number.

It is an amenable number.

45243042541 is a deficient number, since it is larger than the sum of its proper divisors (271876363).

45243042541 is a wasteful number, since it uses less digits than its factorization.

45243042541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120591.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 45243042541 its reverse (14524034254), we get a palindrome (59767076795).

The spelling of 45243042541 in words is "forty-five billion, two hundred forty-three million, forty-two thousand, five hundred forty-one".

Divisors: 1 181 2113 118297 382453 21411757 249961561 45243042541