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2511553040401 = 10332431319497
BaseRepresentation
bin100100100011000100001…
…110100001000000010001
322220002202110010211020211
4210203010032201000101
5312122130034243101
65201442550004121
7346311424414066
oct44430416410021
98802673124224
102511553040401
11889164240559
1234690a046641
13152ab9072b12
14897ba1c4c6d
15454e7ee3c51
hex248c43a1011

2511553040401 has 4 divisors (see below), whose sum is σ = 2513984360932. Its totient is φ = 2509121719872.

The previous prime is 2511553040231. The next prime is 2511553040519. The reversal of 2511553040401 is 1040403551152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1546739942400 + 964813098001 = 1243680^2 + 982249^2 .

It is a cyclic number.

It is not a de Polignac number, because 2511553040401 - 211 = 2511553038353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2511556040401) 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, 1215658716 + ... + 1215660781.

It is an arithmetic number, because the mean of its divisors is an integer number (628496090233).

Almost surely, 22511553040401 is an apocalyptic number.

It is an amenable number.

2511553040401 is a deficient number, since it is larger than the sum of its proper divisors (2431320531).

2511553040401 is a wasteful number, since it uses less digits than its factorization.

2511553040401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431320530.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 2511553040401 its reverse (1040403551152), we get a palindrome (3551956591553).

The spelling of 2511553040401 in words is "two trillion, five hundred eleven billion, five hundred fifty-three million, forty thousand, four hundred one".

Divisors: 1 1033 2431319497 2511553040401