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4120442031 = 317508115901
BaseRepresentation
bin1111010110011000…
…1111010010101111
3101122011100010212010
43311212033102233
531414313121111
61520511212303
7204052115346
oct36546172257
911564303763
104120442031
1118249780a2
1296bb17093
135088718a4
142b1346b5d
15191b16aa6
hexf598f4af

4120442031 has 16 divisors (see below), whose sum is σ = 5818605408. Its totient is φ = 2584704000.

The previous prime is 4120442021. The next prime is 4120442041. The reversal of 4120442031 is 1302440214.

It is an interprime number because it is at equal distance from previous prime (4120442021) and next prime (4120442041).

It is not a de Polignac number, because 4120442031 - 26 = 4120441967 is a prime.

It is a super-2 number, since 2×41204420312 = 33956085061662809922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4120441989 and 4120442007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120442021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251181 + ... + 267081.

It is an arithmetic number, because the mean of its divisors is an integer number (363662838).

Almost surely, 24120442031 is an apocalyptic number.

4120442031 is a deficient number, since it is larger than the sum of its proper divisors (1698163377).

4120442031 is a wasteful number, since it uses less digits than its factorization.

4120442031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21002.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4120442031 is about 64190.6693453184. The cubic root of 4120442031 is about 1603.1762466084.

Adding to 4120442031 its reverse (1302440214), we get a palindrome (5422882245).

The spelling of 4120442031 in words is "four billion, one hundred twenty million, four hundred forty-two thousand, thirty-one".

Divisors: 1 3 17 51 5081 15243 15901 47703 86377 259131 270317 810951 80792981 242378943 1373480677 4120442031