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5145438323 = 94712294421
BaseRepresentation
bin1001100101011000…
…10010100001110011
3111021121001100102202
410302230102201303
541014213011243
62210324333415
7241336334624
oct46254224163
914247040382
105145438323
112200513a73
12bb724426b
1364002137c
1436b51da4b
15201ad44b8
hex132b12873

5145438323 has 8 divisors (see below), whose sum is σ = 5156228880. Its totient is φ = 5134660960.

The previous prime is 5145438313. The next prime is 5145438341. The reversal of 5145438323 is 3238345415.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5145438323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145438313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161653 + ... + 1166073.

It is an arithmetic number, because the mean of its divisors is an integer number (644528610).

Almost surely, 25145438323 is an apocalyptic number.

5145438323 is a deficient number, since it is larger than the sum of its proper divisors (10790557).

5145438323 is a wasteful number, since it uses less digits than its factorization.

5145438323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6597.

The product of its digits is 172800, while the sum is 38.

The square root of 5145438323 is about 71731.7107212703. The cubic root of 5145438323 is about 1726.3974754680.

The spelling of 5145438323 in words is "five billion, one hundred forty-five million, four hundred thirty-eight thousand, three hundred twenty-three".

Divisors: 1 947 1229 4421 1163863 4186687 5433409 5145438323