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3287987743049 = 4313376229053
BaseRepresentation
bin101111110110001011010…
…101110110100101001001
3102122022212112000102110122
4233312023111312211021
5412332244330234144
610554251500153025
7456356254453232
oct57661325664511
912568775012418
103287987743049
1110584783aa599
12451298538775
131ab095ac5059
14b51d494a089
155a7dc5607ee
hex2fd8b576949

3287987743049 has 4 divisors (see below), whose sum is σ = 3288064015236. Its totient is φ = 3287911470864.

The previous prime is 3287987743037. The next prime is 3287987743093. The reversal of 3287987743049 is 9403477897823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2092752823225 + 1195234919824 = 1446635^2 + 1093268^2 .

It is a cyclic number.

It is not a de Polignac number, because 3287987743049 - 212 = 3287987738953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3287984743049) 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, 38071394 + ... + 38157659.

It is an arithmetic number, because the mean of its divisors is an integer number (822016003809).

Almost surely, 23287987743049 is an apocalyptic number.

It is an amenable number.

3287987743049 is a deficient number, since it is larger than the sum of its proper divisors (76272187).

3287987743049 is an equidigital number, since it uses as much as digits as its factorization.

3287987743049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76272186.

The product of its (nonzero) digits is 512096256, while the sum is 71.

The spelling of 3287987743049 in words is "three trillion, two hundred eighty-seven billion, nine hundred eighty-seven million, seven hundred forty-three thousand, forty-nine".

Divisors: 1 43133 76229053 3287987743049