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2001320054 = 213943116703
BaseRepresentation
bin111011101001001…
…1011100001110110
312011110211120222222
41313102123201312
513044314220204
6530331122342
7100410640226
oct16722334166
95143746888
102001320054
11937769418
1247a2a33b2
1325b81a166
1414db20086
15baa73abe
hex7749b876

2001320054 has 16 divisors (see below), whose sum is σ = 3030773760. Its totient is φ = 991096680.

The previous prime is 2001320051. The next prime is 2001320059. The reversal of 2001320054 is 4500231002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001320051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111467 + ... + 128169.

It is an arithmetic number, because the mean of its divisors is an integer number (189423360).

Almost surely, 22001320054 is an apocalyptic number.

2001320054 is a deficient number, since it is larger than the sum of its proper divisors (1029453706).

2001320054 is a wasteful number, since it uses less digits than its factorization.

2001320054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17275.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2001320054 is about 44736.1157679117. The cubic root of 2001320054 is about 1260.1981829023.

Adding to 2001320054 its reverse (4500231002), we get a palindrome (6501551056).

The spelling of 2001320054 in words is "two billion, one million, three hundred twenty thousand, fifty-four".

Divisors: 1 2 139 278 431 862 16703 33406 59909 119818 2321717 4643434 7198993 14397986 1000660027 2001320054