Search a number
-
+
3974101121 = 4784555343
BaseRepresentation
bin1110110011011111…
…1111100010000001
3101020221222020212102
43230313333202001
531114332213441
61454202440145
7200324205434
oct35467774201
911227866772
103974101121
11175a304aa1
1292ab03055
134b4454333
14299b3181b
15183d5b69b
hexecdff881

3974101121 has 4 divisors (see below), whose sum is σ = 4058656512. Its totient is φ = 3889545732.

The previous prime is 3974101111. The next prime is 3974101129. The reversal of 3974101121 is 1211014793.

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 3974101121 - 26 = 3974101057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3974101129) 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, 42277625 + ... + 42277718.

It is an arithmetic number, because the mean of its divisors is an integer number (1014664128).

Almost surely, 23974101121 is an apocalyptic number.

It is an amenable number.

3974101121 is a deficient number, since it is larger than the sum of its proper divisors (84555391).

3974101121 is an equidigital number, since it uses as much as digits as its factorization.

3974101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84555390.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 3974101121 is about 63040.4720873821. The cubic root of 3974101121 is about 1583.9676388282.

The spelling of 3974101121 in words is "three billion, nine hundred seventy-four million, one hundred one thousand, one hundred twenty-one".

Divisors: 1 47 84555343 3974101121