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2530005553 = 19133158187
BaseRepresentation
bin1001011011001100…
…1101001000110001
320112022122121011101
42112303031020301
520140140134203
61055014444401
7116460456325
oct22663151061
96468577141
102530005553
111089138689
125a7363701
13314206b0a
141a0021985
15ec1a641d
hex96ccd231

2530005553 has 4 divisors (see below), whose sum is σ = 2663163760. Its totient is φ = 2396847348.

The previous prime is 2530005523. The next prime is 2530005563. The reversal of 2530005553 is 3555000352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2530005553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530005523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66579075 + ... + 66579112.

It is an arithmetic number, because the mean of its divisors is an integer number (665790940).

Almost surely, 22530005553 is an apocalyptic number.

It is an amenable number.

2530005553 is a deficient number, since it is larger than the sum of its proper divisors (133158207).

2530005553 is a wasteful number, since it uses less digits than its factorization.

2530005553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133158206.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 2530005553 is about 50299.1605595958. The cubic root of 2530005553 is about 1362.6170687278.

The spelling of 2530005553 in words is "two billion, five hundred thirty million, five thousand, five hundred fifty-three".

Divisors: 1 19 133158187 2530005553