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2051403105 = 351031327769
BaseRepresentation
bin111101001000101…
…1110110101100001
312021222002002000210
41322101132311201
513200124344410
6535320404333
7101556432033
oct17221366541
95258062023
102051403105
11962a66574
124930166a9
132690042bb
14156639c53
15c0168220
hex7a45ed61

2051403105 has 16 divisors (see below), whose sum is σ = 3314113920. Its totient is φ = 1083458688.

The previous prime is 2051403049. The next prime is 2051403113. The reversal of 2051403105 is 5013041502.

It is not a de Polignac number, because 2051403105 - 215 = 2051370337 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 662340 + ... + 665429.

It is an arithmetic number, because the mean of its divisors is an integer number (207132120).

Almost surely, 22051403105 is an apocalyptic number.

It is an amenable number.

2051403105 is a deficient number, since it is larger than the sum of its proper divisors (1262710815).

2051403105 is a wasteful number, since it uses less digits than its factorization.

2051403105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327880.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2051403105 is about 45292.4177429291. The cubic root of 2051403105 is about 1270.6238497838.

Adding to 2051403105 its reverse (5013041502), we get a palindrome (7064444607).

The spelling of 2051403105 in words is "two billion, fifty-one million, four hundred three thousand, one hundred five".

Divisors: 1 3 5 15 103 309 515 1545 1327769 3983307 6638845 19916535 136760207 410280621 683801035 2051403105