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4065946087 = 7580849441
BaseRepresentation
bin1111001001011001…
…0110100111100111
3101111100210110110211
43302112112213213
531311340233322
61511243200251
7202520654140
oct36226264747
911440713424
104065946087
1117a7136525
12955816087
134ca4a0c78
142a7ddcac7
1518be4eb77
hexf25969e7

4065946087 has 4 divisors (see below), whose sum is σ = 4646795536. Its totient is φ = 3485096640.

The previous prime is 4065946051. The next prime is 4065946099. The reversal of 4065946087 is 7806495604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4065946087 is a prime.

It is a super-2 number, since 2×40659460872 = 33063835164781223138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4065946087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065946007) 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, 290424714 + ... + 290424727.

It is an arithmetic number, because the mean of its divisors is an integer number (1161698884).

Almost surely, 24065946087 is an apocalyptic number.

4065946087 is a deficient number, since it is larger than the sum of its proper divisors (580849449).

4065946087 is an equidigital number, since it uses as much as digits as its factorization.

4065946087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580849448.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 4065946087 is about 63764.7715200172. The cubic root of 4065946087 is about 1596.0771198206.

The spelling of 4065946087 in words is "four billion, sixty-five million, nine hundred forty-six thousand, eighty-seven".

Divisors: 1 7 580849441 4065946087