Search a number
-
+
3971037207489 = 311931112923903
BaseRepresentation
bin111001110010010100010…
…000110001101111000001
3112001121221102002101202020
4321302110100301233001
51010030141011114424
612240134100512053
7556620001222602
oct71622420615701
915047842071666
103971037207489
1112a111aa84a10
125417443ab629
1322a60c59a2a1
14da2b0969da9
156d468462079
hex39c94431bc1

3971037207489 has 16 divisors (see below), whose sum is σ = 5776674914304. Its totient is φ = 2406430552400.

The previous prime is 3971037207469. The next prime is 3971037207523. The reversal of 3971037207489 is 9847027301793.

3971037207489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3971037207489 - 221 = 3971035110337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3971037207469) 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 15 ways as a sum of consecutive naturals, for example, 6154689 + ... + 6769214.

It is an arithmetic number, because the mean of its divisors is an integer number (361042182144).

Almost surely, 23971037207489 is an apocalyptic number.

It is an amenable number.

3971037207489 is a deficient number, since it is larger than the sum of its proper divisors (1805637706815).

3971037207489 is a wasteful number, since it uses less digits than its factorization.

3971037207489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12933228.

The product of its (nonzero) digits is 16003008, while the sum is 60.

The spelling of 3971037207489 in words is "three trillion, nine hundred seventy-one billion, thirty-seven million, two hundred seven thousand, four hundred eighty-nine".

Divisors: 1 3 11 33 9311 27933 102421 307263 12923903 38771709 142162933 426488799 120334460833 361003382499 1323679069163 3971037207489