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290545308664801 = 1922492113229531
BaseRepresentation
bin100001000001111111101100…
…1111010100000001111100001
31102002201212020010011200211121
41002003333121322200033201
5301040243243004233201
62505534401104212241
7115125130413225601
oct10203773172401741
91362655203150747
10290545308664801
1184638634271423
122870576400a081
13c6173c724b1b8
1451a667a186c01
15238cb3c10d9a1
hex1083fd9ea03e1

290545308664801 has 12 divisors (see below), whose sum is σ = 306643327066704. Its totient is φ = 275252260584600.

The previous prime is 290545308664757. The next prime is 290545308664813. The reversal of 290545308664801 is 108466803545092.

It is not a de Polignac number, because 290545308664801 - 213 = 290545308656609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 290545308664801.

It is not an unprimeable number, because it can be changed into a prime (290545308604801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88350406 + ... + 91579936.

It is an arithmetic number, because the mean of its divisors is an integer number (25553610588892).

Almost surely, 2290545308664801 is an apocalyptic number.

It is an amenable number.

290545308664801 is a deficient number, since it is larger than the sum of its proper divisors (16098018401903).

290545308664801 is a wasteful number, since it uses less digits than its factorization.

290545308664801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478780 (or 3478761 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 290545308664801 in words is "two hundred ninety trillion, five hundred forty-five billion, three hundred eight million, six hundred sixty-four thousand, eight hundred one".

Divisors: 1 19 361 249211 3229531 4735009 61361089 89965171 1165860691 804834650041 15291858350779 290545308664801