Search a number
-
+
2554120045 = 52917614621
BaseRepresentation
bin1001100000111100…
…1100011101101101
320121000000202000201
42120033030131231
520212323320140
61101235353501
7120202443061
oct23017143555
96530022021
102554120045
1110a0809214
125b3452891
133191cac49
141a32dbaa1
15ee36b49a
hex983cc76d

2554120045 has 8 divisors (see below), whose sum is σ = 3170631960. Its totient is φ = 1972837440.

The previous prime is 2554120043. The next prime is 2554120139. The reversal of 2554120045 is 5400214552.

It can be written as a sum of positive squares in 4 ways, for example, as 312476329 + 2241643716 = 17677^2 + 47346^2 .

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

It is not a de Polignac number, because 2554120045 - 21 = 2554120043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2554119995 and 2554120022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554120043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8807166 + ... + 8807455.

It is an arithmetic number, because the mean of its divisors is an integer number (396328995).

Almost surely, 22554120045 is an apocalyptic number.

It is an amenable number.

2554120045 is a deficient number, since it is larger than the sum of its proper divisors (616511915).

2554120045 is a wasteful number, since it uses less digits than its factorization.

2554120045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17614655.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2554120045 is about 50538.3027514775. The cubic root of 2554120045 is about 1366.9326021918.

Adding to 2554120045 its reverse (5400214552), we get a palindrome (7954334597).

The spelling of 2554120045 in words is "two billion, five hundred fifty-four million, one hundred twenty thousand, forty-five".

Divisors: 1 5 29 145 17614621 88073105 510824009 2554120045