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2031443045 = 51961397883
BaseRepresentation
bin111100100010101…
…0101110001100101
312020120111222222022
41321011111301211
513130022134140
6533324512525
7101224660322
oct17105256145
95216458868
102031443045
11952773255
124883ab745
13264b36108
14153b21b49
15bd5240b5
hex79155c65

2031443045 has 32 divisors (see below), whose sum is σ = 2617630080. Its totient is φ = 1508855040.

The previous prime is 2031443021. The next prime is 2031443059. The reversal of 2031443045 is 5403441302.

It is not a de Polignac number, because 2031443045 - 212 = 2031438949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2300174 + ... + 2301056.

It is an arithmetic number, because the mean of its divisors is an integer number (81800940).

Almost surely, 22031443045 is an apocalyptic number.

It is an amenable number.

2031443045 is a deficient number, since it is larger than the sum of its proper divisors (586187035).

2031443045 is a wasteful number, since it uses less digits than its factorization.

2031443045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2031443045 is about 45071.5325344058. The cubic root of 2031443045 is about 1266.4893735776.

Adding to 2031443045 its reverse (5403441302), we get a palindrome (7434884347).

The spelling of 2031443045 in words is "two billion, thirty-one million, four hundred forty-three thousand, forty-five".

Divisors: 1 5 19 61 95 305 397 883 1159 1985 4415 5795 7543 16777 24217 37715 53863 83885 121085 269315 350551 460123 1023397 1752755 2300615 5116985 6660469 21383611 33302345 106918055 406288609 2031443045