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3984896953 = 31128545063
BaseRepresentation
bin1110110110000100…
…1011001110111001
3101021201021201222001
43231201023032321
531130113200303
61455230101001
7200515031242
oct35541131671
911251251861
103984896953
111765409074
1293264a761
134b67641bb
1429b341cc9
15184c9031d
hexed84b3b9

3984896953 has 4 divisors (see below), whose sum is σ = 4113442048. Its totient is φ = 3856351860.

The previous prime is 3984896941. The next prime is 3984896987. The reversal of 3984896953 is 3596984893.

3984896953 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3984896953 - 25 = 3984896921 is a prime.

It is a super-3 number, since 3×39848969533 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3984896933) 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, 64272501 + ... + 64272562.

It is an arithmetic number, because the mean of its divisors is an integer number (1028360512).

Almost surely, 23984896953 is an apocalyptic number.

It is an amenable number.

3984896953 is a deficient number, since it is larger than the sum of its proper divisors (128545095).

3984896953 is a wasteful number, since it uses less digits than its factorization.

3984896953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128545094.

The product of its digits is 50388480, while the sum is 64.

The square root of 3984896953 is about 63126.0402132115. The cubic root of 3984896953 is about 1585.4006494460.

The spelling of 3984896953 in words is "three billion, nine hundred eighty-four million, eight hundred ninety-six thousand, nine hundred fifty-three".

Divisors: 1 31 128545063 3984896953