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3133461421 = 15719958353
BaseRepresentation
bin1011101011000100…
…1101001110101101
322002101011022222201
42322301031032231
522404131231141
61234532541501
7140435661016
oct27261151655
98071138881
103133461421
111368836a42
12735481891
133ac2426ac
1421a22800d
15135158031
hexbac4d3ad

3133461421 has 4 divisors (see below), whose sum is σ = 3153419932. Its totient is φ = 3113502912.

The previous prime is 3133461407. The next prime is 3133461433. The reversal of 3133461421 is 1241643313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1623284100 + 1510177321 = 40290^2 + 38861^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133461421 - 215 = 3133428653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3133461421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133468421) 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, 9979020 + ... + 9979333.

It is an arithmetic number, because the mean of its divisors is an integer number (788354983).

Almost surely, 23133461421 is an apocalyptic number.

It is an amenable number.

3133461421 is a deficient number, since it is larger than the sum of its proper divisors (19958511).

3133461421 is a wasteful number, since it uses less digits than its factorization.

3133461421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19958510.

The product of its digits is 5184, while the sum is 28.

The square root of 3133461421 is about 55977.3295272291. The cubic root of 3133461421 is about 1463.3272183483.

The spelling of 3133461421 in words is "three billion, one hundred thirty-three million, four hundred sixty-one thousand, four hundred twenty-one".

Divisors: 1 157 19958353 3133461421