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2045028029 = 11185911639
BaseRepresentation
bin111100111100100…
…1010011010111101
312021112002012001212
41321321022122331
513142011344104
6534532014205
7101451310562
oct17171123275
95245065055
102045028029
1195a401910
12490a61365
132678b1675
1415585a869
15be80936e
hex79e4a6bd

2045028029 has 4 divisors (see below), whose sum is σ = 2230939680. Its totient is φ = 1859116380.

The previous prime is 2045027987. The next prime is 2045028091. The reversal of 2045028029 is 9208205402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-2045028029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045027986 and 2045028004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045028929) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 92955809 + ... + 92955830.

It is an arithmetic number, because the mean of its divisors is an integer number (557734920).

Almost surely, 22045028029 is an apocalyptic number.

It is an amenable number.

2045028029 is a deficient number, since it is larger than the sum of its proper divisors (185911651).

2045028029 is a wasteful number, since it uses less digits than its factorization.

2045028029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185911650.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2045028029 is about 45221.9861240083. The cubic root of 2045028029 is about 1269.3062590511.

The spelling of 2045028029 in words is "two billion, forty-five million, twenty-eight thousand, twenty-nine".

Divisors: 1 11 185911639 2045028029