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2003648053 = 11182149823
BaseRepresentation
bin111011101101101…
…0011111000110101
312011122012212102011
41313123103320311
513100413214203
6530453044221
7100436504341
oct16733237065
95148185364
102003648053
11939009490
1247b026671
1325c153984
14150168621
15bad8376d
hex776d3e35

2003648053 has 4 divisors (see below), whose sum is σ = 2185797888. Its totient is φ = 1821498220.

The previous prime is 2003648051. The next prime is 2003648063. The reversal of 2003648053 is 3508463002.

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 not a de Polignac number, because 2003648053 - 21 = 2003648051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003648051) 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, 91074901 + ... + 91074922.

It is an arithmetic number, because the mean of its divisors is an integer number (546449472).

Almost surely, 22003648053 is an apocalyptic number.

It is an amenable number.

2003648053 is a deficient number, since it is larger than the sum of its proper divisors (182149835).

2003648053 is a wasteful number, since it uses less digits than its factorization.

2003648053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182149834.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2003648053 is about 44762.1274405049. The cubic root of 2003648053 is about 1260.6866277329.

It can be divided in two parts, 2003 and 648053, that added together give a palindrome (650056).

The spelling of 2003648053 in words is "two billion, three million, six hundred forty-eight thousand, fifty-three".

Divisors: 1 11 182149823 2003648053