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2151241032205 = 54873011293413
BaseRepresentation
bin11111010011011111111…
…101010010001000001101
321121122201200112022222101
4133103133331102020031
5240221220201012310
64324133321115101
7311264521032016
oct37233775221015
97548650468871
102151241032205
1175a377530891
122a8b12328a91
13127b26c735c5
1476198db200d
153ae5aa0043a
hex1f4dff5220d

2151241032205 has 16 divisors (see below), whose sum is σ = 2587657970304. Its totient is φ = 1716882713280.

The previous prime is 2151241032197. The next prime is 2151241032223. The reversal of 2151241032205 is 5022301421512.

It is a happy number.

It is not a de Polignac number, because 2151241032205 - 23 = 2151241032197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7185079 + ... + 7478491.

It is an arithmetic number, because the mean of its divisors is an integer number (161728623144).

Almost surely, 22151241032205 is an apocalyptic number.

It is an amenable number.

2151241032205 is a deficient number, since it is larger than the sum of its proper divisors (436416938099).

2151241032205 is a wasteful number, since it uses less digits than its factorization.

2151241032205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296916.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 2151241032205 its reverse (5022301421512), we get a palindrome (7173542453717).

The spelling of 2151241032205 in words is "two trillion, one hundred fifty-one billion, two hundred forty-one million, thirty-two thousand, two hundred five".

Divisors: 1 5 487 2435 3011 15055 293413 1466357 1467065 7331785 142892131 714460655 883466543 4417332715 430248206441 2151241032205