Search a number
-
+
42011043031 = 671993150907
BaseRepresentation
bin100111001000000011…
…011010010011010111
311000102211012002220201
4213020003122103113
51142014311334111
631144414241331
73015033655006
oct471003322327
9130384162821
1042011043031
11168a9158481
1281854b6247
133c668c5159
1420676dcc3d
15115d32b6c1
hex9c80da4d7

42011043031 has 8 divisors (see below), whose sum is σ = 42852348800. Its totient is φ = 41176039608.

The previous prime is 42011043023. The next prime is 42011043037. The reversal of 42011043031 is 13034011024.

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

It is a cyclic number.

It is not a de Polignac number, because 42011043031 - 23 = 42011043023 is a prime.

It is a super-2 number, since 2×420110430312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42011043037) 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, 1562121 + ... + 1588786.

It is an arithmetic number, because the mean of its divisors is an integer number (5356543600).

Almost surely, 242011043031 is an apocalyptic number.

42011043031 is a deficient number, since it is larger than the sum of its proper divisors (841305769).

42011043031 is a wasteful number, since it uses less digits than its factorization.

42011043031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151173.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 42011043031 its reverse (13034011024), we get a palindrome (55045054055).

The spelling of 42011043031 in words is "forty-two billion, eleven million, forty-three thousand, thirty-one".

Divisors: 1 67 199 13333 3150907 211110769 627030493 42011043031