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3113451421 = 43178340609
BaseRepresentation
bin1011100110010011…
…0111111110011101
322000222111201102121
42321210313332131
522334020421141
61232540022541
7140103620563
oct27144677635
98028451377
103113451421
11135850a153
1272a831a51
133a8057862
142176d9a33
151335041d1
hexb9937f9d

3113451421 has 8 divisors (see below), whose sum is σ = 3187722560. Its totient is φ = 3039265152.

The previous prime is 3113451391. The next prime is 3113451443. The reversal of 3113451421 is 1241543113.

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

It is a cyclic number.

It is not a de Polignac number, because 3113451421 - 217 = 3113320349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113452421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56365 + ... + 96973.

It is an arithmetic number, because the mean of its divisors is an integer number (398465320).

Almost surely, 23113451421 is an apocalyptic number.

It is an amenable number.

3113451421 is a deficient number, since it is larger than the sum of its proper divisors (74271139).

3113451421 is a wasteful number, since it uses less digits than its factorization.

3113451421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42435.

The product of its digits is 1440, while the sum is 25.

The square root of 3113451421 is about 55798.3101984281. The cubic root of 3113451421 is about 1460.2056726890.

Adding to 3113451421 its reverse (1241543113), we get a palindrome (4354994534).

The spelling of 3113451421 in words is "three billion, one hundred thirteen million, four hundred fifty-one thousand, four hundred twenty-one".

Divisors: 1 43 1783 40609 76669 1746187 72405847 3113451421