Search a number
-
+
2051211110 = 251359267433
BaseRepresentation
bin111101001000010…
…1111111101100110
312021221201022122212
41322100233331212
513200102223420
6535312323422
7101555002214
oct17220577546
95257638585
102051211110
119629452a3
12492b43572
13268c67ab0
141565c9cb4
15c012b3c5
hex7a42ff66

2051211110 has 32 divisors (see below), whose sum is σ = 4043602080. Its totient is φ = 744530688.

The previous prime is 2051211103. The next prime is 2051211133. The reversal of 2051211110 is 111121502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126047 + ... + 141386.

It is an arithmetic number, because the mean of its divisors is an integer number (126362565).

Almost surely, 22051211110 is an apocalyptic number.

2051211110 is a deficient number, since it is larger than the sum of its proper divisors (1992390970).

2051211110 is a wasteful number, since it uses less digits than its factorization.

2051211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267512.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 2051211110 is about 45290.2981884642. The cubic root of 2051211110 is about 1270.5842084546.

Adding to 2051211110 its reverse (111121502), we get a palindrome (2162332612).

The spelling of 2051211110 in words is "two billion, fifty-one million, two hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 59 65 118 130 295 590 767 1534 3835 7670 267433 534866 1337165 2674330 3476629 6953258 15778547 17383145 31557094 34766290 78892735 157785470 205121111 410242222 1025605555 2051211110