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75030006440849 = 276727116012447
BaseRepresentation
bin10001000011110101001000…
…111000011010001110010001
3100211122210120011011000202212
4101003311020320122032101
534313242423122101344
6423324150434121505
721542511334651055
oct2103651070321621
9324583504130685
1075030006440849
11219a8057675829
1284b9399420295
1332b33b75a98c5
141475686451c65
158a1a816b479e
hex443d48e1a391

75030006440849 has 4 divisors (see below), whose sum is σ = 75057122456064. Its totient is φ = 75002890425636.

The previous prime is 75030006440833. The next prime is 75030006440899. The reversal of 75030006440849 is 94804460003057.

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 cyclic number.

It is not a de Polignac number, because 75030006440849 - 24 = 75030006440833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75030006440797 and 75030006440806.

It is not an unprimeable number, because it can be changed into a prime (75030006440899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13558003457 + ... + 13558008990.

It is an arithmetic number, because the mean of its divisors is an integer number (18764280614016).

Almost surely, 275030006440849 is an apocalyptic number.

It is an amenable number.

75030006440849 is a deficient number, since it is larger than the sum of its proper divisors (27116015215).

75030006440849 is a wasteful number, since it uses less digits than its factorization.

75030006440849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27116015214.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 75030006440849 in words is "seventy-five trillion, thirty billion, six million, four hundred forty thousand, eight hundred forty-nine".

Divisors: 1 2767 27116012447 75030006440849