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3140424121 = 17531791457
BaseRepresentation
bin1011101100101111…
…0001000110111001
322002212021002000111
42323023301012321
522412422032441
61235342104321
7140552110312
oct27313610671
98085232014
103140424121
11137176213a
1273787b0a1
133b080c933
1421b11b609
15135a81081
hexbb2f11b9

3140424121 has 4 divisors (see below), whose sum is σ = 3142217332. Its totient is φ = 3138630912.

The previous prime is 3140424109. The next prime is 3140424169. The reversal of 3140424121 is 1214240413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1214240413 = 2423501131.

It can be written as a sum of positive squares in 2 ways, for example, as 1645519225 + 1494904896 = 40565^2 + 38664^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140424121 - 221 = 3138326969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3140424092 and 3140424101.

It is not an unprimeable number, because it can be changed into a prime (3140424191) 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, 893976 + ... + 897481.

It is an arithmetic number, because the mean of its divisors is an integer number (785554333).

Almost surely, 23140424121 is an apocalyptic number.

It is an amenable number.

3140424121 is a deficient number, since it is larger than the sum of its proper divisors (1793211).

3140424121 is a wasteful number, since it uses less digits than its factorization.

3140424121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793210.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3140424121 is about 56039.4871586099. The cubic root of 3140424121 is about 1464.4102773853.

Adding to 3140424121 its reverse (1214240413), we get a palindrome (4354664534).

The spelling of 3140424121 in words is "three billion, one hundred forty million, four hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 1753 1791457 3140424121