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3987164983 = 34711490389
BaseRepresentation
bin1110110110100111…
…0100111100110111
3101021212112222010011
43231221310330313
531131203234413
61455350441051
7200543225464
oct35551647467
911255488104
103987164983
11176671807a
12933363187
134b7079629
1429b77266b
1518508c33d
hexeda74f37

3987164983 has 4 divisors (see below), whose sum is σ = 3998655720. Its totient is φ = 3975674248.

The previous prime is 3987164971. The next prime is 3987164999. The reversal of 3987164983 is 3894617893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3894617893 = 5557700849.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3987164983 is a prime.

It is a super-2 number, since 2×39871649832 = 31794969203322780578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987164933) 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, 5744848 + ... + 5745541.

It is an arithmetic number, because the mean of its divisors is an integer number (999663930).

Almost surely, 23987164983 is an apocalyptic number.

3987164983 is a deficient number, since it is larger than the sum of its proper divisors (11490737).

3987164983 is a wasteful number, since it uses less digits than its factorization.

3987164983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11490736.

The product of its digits is 7838208, while the sum is 58.

The square root of 3987164983 is about 63144.0019558469. The cubic root of 3987164983 is about 1585.7013727615.

The spelling of 3987164983 in words is "three billion, nine hundred eighty-seven million, one hundred sixty-four thousand, nine hundred eighty-three".

Divisors: 1 347 11490389 3987164983