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2110045145 = 51335391961
BaseRepresentation
bin111110111000100…
…1011101111011001
312110001102101210012
41331301023233121
513310132421040
6545213331305
7103201042055
oct17561135731
95401371705
102110045145
1199307a16a
124aa796b35
132781c7130
14160342c65
15c539d865
hex7dc4bbd9

2110045145 has 16 divisors (see below), whose sum is σ = 2734582032. Its totient is φ = 1553756160.

The previous prime is 2110045141. The next prime is 2110045181. The reversal of 2110045145 is 5415400112.

It can be written as a sum of positive squares in 8 ways, for example, as 320839744 + 1789205401 = 17912^2 + 42299^2 .

It is not a de Polignac number, because 2110045145 - 22 = 2110045141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2110045145.

It is not an unprimeable number, because it can be changed into a prime (2110045141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23036 + ... + 68925.

It is an arithmetic number, because the mean of its divisors is an integer number (170911377).

Almost surely, 22110045145 is an apocalyptic number.

It is an amenable number.

2110045145 is a deficient number, since it is larger than the sum of its proper divisors (624536887).

2110045145 is a wasteful number, since it uses less digits than its factorization.

2110045145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92332.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2110045145 is about 45935.2277125084. The cubic root of 2110045145 is about 1282.6177597703.

Adding to 2110045145 its reverse (5415400112), we get a palindrome (7525445257).

The spelling of 2110045145 in words is "two billion, one hundred ten million, forty-five thousand, one hundred forty-five".

Divisors: 1 5 13 65 353 1765 4589 22945 91961 459805 1195493 5977465 32462233 162311165 422009029 2110045145