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112142031 = 3251148927
BaseRepresentation
bin1101010111100…
…10011011001111
321211000101221120
412223302123033
5212202021111
615043332023
72531122461
oct653623317
9254011846
10112142031
1158334a71
1231681013
131a305341
1410c72131
159ca2406
hex6af26cf

112142031 has 8 divisors (see below), whose sum is σ = 150119424. Its totient is φ = 74463000.

The previous prime is 112142029. The next prime is 112142033. The reversal of 112142031 is 130241211.

It is an interprime number because it is at equal distance from previous prime (112142029) and next prime (112142033).

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

It is not a de Polignac number, because 112142031 - 21 = 112142029 is a prime.

It is a super-2 number, since 2×1121420312 = 25151670233609922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112142031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112142033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73711 + ... + 75216.

It is an arithmetic number, because the mean of its divisors is an integer number (18764928).

Almost surely, 2112142031 is an apocalyptic number.

112142031 is a deficient number, since it is larger than the sum of its proper divisors (37977393).

112142031 is a wasteful number, since it uses less digits than its factorization.

112142031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149181.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 112142031 is about 10589.7134522139. The cubic root of 112142031 is about 482.2321256430.

Adding to 112142031 its reverse (130241211), we get a palindrome (242383242).

The spelling of 112142031 in words is "one hundred twelve million, one hundred forty-two thousand, thirty-one".

Divisors: 1 3 251 753 148927 446781 37380677 112142031