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2051232001 = 713196717707
BaseRepresentation
bin111101001000011…
…0101000100000001
312021221202101022121
41322100311010001
513200103411001
6535313004241
7101555120140
oct17220650401
95257671277
102051232001
11962959a65
12492b53681
13268c74460
141565d3757
15c01326a1
hex7a435101

2051232001 has 32 divisors (see below), whose sum is σ = 2697282560. Its totient is φ = 1514500416.

The previous prime is 2051231999. The next prime is 2051232013. The reversal of 2051232001 is 1002321502.

It is not a de Polignac number, because 2051232001 - 21 = 2051231999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2051232401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106990 + ... + 124696.

It is an arithmetic number, because the mean of its divisors is an integer number (84290080).

Almost surely, 22051232001 is an apocalyptic number.

It is an amenable number.

2051232001 is a deficient number, since it is larger than the sum of its proper divisors (646050559).

2051232001 is a wasteful number, since it uses less digits than its factorization.

2051232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17813.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2051232001 is about 45290.5288222604. The cubic root of 2051232001 is about 1270.5885219526.

Adding to 2051232001 its reverse (1002321502), we get a palindrome (3053553503).

The spelling of 2051232001 in words is "two billion, fifty-one million, two hundred thirty-two thousand, one".

Divisors: 1 7 13 19 67 91 133 247 469 871 1273 1729 6097 8911 16549 17707 115843 123949 230191 336433 1186369 1611337 2355031 4373629 8304583 15422797 22541011 30615403 107959579 157787077 293033143 2051232001