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2185465043 = 89163150649
BaseRepresentation
bin1000001001000011…
…1000110011010011
312122022100010102202
42002100320303103
513433434340133
61000510033415
7105105101126
oct20220706323
95568303382
102185465043
11a21702263
1250baa886b
1328aa128a8
1416a3763bd
15cbcea2e8
hex82438cd3

2185465043 has 8 divisors (see below), whose sum is σ = 2223594000. Its totient is φ = 2147637888.

The previous prime is 2185465031. The next prime is 2185465057. The reversal of 2185465043 is 3405645812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2185465043 - 26 = 2185464979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2185464988 and 2185465006.

It is not an unprimeable number, because it can be changed into a prime (2185465003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60818 + ... + 89831.

It is an arithmetic number, because the mean of its divisors is an integer number (277949250).

Almost surely, 22185465043 is an apocalyptic number.

2185465043 is a deficient number, since it is larger than the sum of its proper divisors (38128957).

2185465043 is a wasteful number, since it uses less digits than its factorization.

2185465043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150901.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 2185465043 is about 46748.9576675245. The cubic root of 2185465043 is about 1297.7208671593.

The spelling of 2185465043 in words is "two billion, one hundred eighty-five million, four hundred sixty-five thousand, forty-three".

Divisors: 1 89 163 14507 150649 13407761 24555787 2185465043