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3972485913 = 311120378361
BaseRepresentation
bin1110110011000111…
…0101001100011001
3101020211221012012220
43230301311030121
531113424022123
61454104054253
7200304400404
oct35461651431
911224835186
103972485913
111759401510
1292a464389
134b400a0a6
14299830d3b
15183b3cce3
hexecc75319

3972485913 has 8 divisors (see below), whose sum is σ = 5778161376. Its totient is φ = 2407567200.

The previous prime is 3972485879. The next prime is 3972485921. The reversal of 3972485913 is 3195842793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3972485913 - 213 = 3972477721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3972485953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60189148 + ... + 60189213.

It is an arithmetic number, because the mean of its divisors is an integer number (722270172).

Almost surely, 23972485913 is an apocalyptic number.

3972485913 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3972485913 is a deficient number, since it is larger than the sum of its proper divisors (1805675463).

3972485913 is a wasteful number, since it uses less digits than its factorization.

3972485913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120378375.

The product of its digits is 1632960, while the sum is 51.

The square root of 3972485913 is about 63027.6599042040. The cubic root of 3972485913 is about 1583.7530172225.

The spelling of 3972485913 in words is "three billion, nine hundred seventy-two million, four hundred eighty-five thousand, nine hundred thirteen".

Divisors: 1 3 11 33 120378361 361135083 1324161971 3972485913