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4124121431 = 12793224489
BaseRepresentation
bin1111010111010001…
…0001100101010111
3101122102021002001012
43311310101211113
531421233341211
61521122122435
7204125311433
oct36564214527
911572232035
104124121431
111826a60521
129711b041b
1350955c551
142b1a239c3
151920e1d8b
hexf5d11957

4124121431 has 4 divisors (see below), whose sum is σ = 4127347200. Its totient is φ = 4120895664.

The previous prime is 4124121371. The next prime is 4124121461. The reversal of 4124121431 is 1341214214.

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

It is a cyclic number.

It is not a de Polignac number, because 4124121431 - 222 = 4119927127 is a prime.

It is a super-2 number, since 2×41241214312 = 34016755155266975522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4124121397 and 4124121406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4124121461) 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, 1610966 + ... + 1613523.

It is an arithmetic number, because the mean of its divisors is an integer number (1031836800).

Almost surely, 24124121431 is an apocalyptic number.

4124121431 is a deficient number, since it is larger than the sum of its proper divisors (3225769).

4124121431 is a wasteful number, since it uses less digits than its factorization.

4124121431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225768.

The product of its digits is 768, while the sum is 23.

The square root of 4124121431 is about 64219.3228787100. The cubic root of 4124121431 is about 1603.6532967021.

Adding to 4124121431 its reverse (1341214214), we get a palindrome (5465335645).

The spelling of 4124121431 in words is "four billion, one hundred twenty-four million, one hundred twenty-one thousand, four hundred thirty-one".

Divisors: 1 1279 3224489 4124121431