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40128107033 = 75732586719
BaseRepresentation
bin100101010111110100…
…100101001000011001
310211120121010001022102
4211113310211020121
51124140243411113
630233512333145
72620261165460
oct452764451031
9124517101272
1040128107033
11160222a7823
12793a9a41b5
133a26787541
141d295d79d7
15109cd8e758
hex957d25219

40128107033 has 4 divisors (see below), whose sum is σ = 45860693760. Its totient is φ = 34395520308.

The previous prime is 40128107009. The next prime is 40128107083. The reversal of 40128107033 is 33070182104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40128107033 - 210 = 40128106009 is a prime.

It is a super-2 number, since 2×401281070332 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40128106987 and 40128107005.

It is not an unprimeable number, because it can be changed into a prime (40128107083) 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 3 ways as a sum of consecutive naturals, for example, 2866293353 + ... + 2866293366.

It is an arithmetic number, because the mean of its divisors is an integer number (11465173440).

Almost surely, 240128107033 is an apocalyptic number.

It is an amenable number.

40128107033 is a deficient number, since it is larger than the sum of its proper divisors (5732586727).

40128107033 is an equidigital number, since it uses as much as digits as its factorization.

40128107033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732586726.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 40128107033 its reverse (33070182104), we get a palindrome (73198289137).

The spelling of 40128107033 in words is "forty billion, one hundred twenty-eight million, one hundred seven thousand, thirty-three".

Divisors: 1 7 5732586719 40128107033