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40232013143 = 75747430449
BaseRepresentation
bin100101011110000000…
…111100110101010111
310211211211122000200212
4211132000330311113
51124343343410033
630252103400035
72622662316650
oct453600746527
9124754560625
1040232013143
1116075a16a43
12796975301b
133a42167c4a
141d39324527
1510a7066748
hex95e03cd57

40232013143 has 4 divisors (see below), whose sum is σ = 45979443600. Its totient is φ = 34484582688.

The previous prime is 40232013121. The next prime is 40232013179. The reversal of 40232013143 is 34131023204.

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 40232013143 - 212 = 40232009047 is a prime.

It is a super-2 number, since 2×402320131432 (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 (40232013193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2873715218 + ... + 2873715231.

It is an arithmetic number, because the mean of its divisors is an integer number (11494860900).

Almost surely, 240232013143 is an apocalyptic number.

40232013143 is a deficient number, since it is larger than the sum of its proper divisors (5747430457).

40232013143 is an equidigital number, since it uses as much as digits as its factorization.

40232013143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747430456.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 40232013143 its reverse (34131023204), we get a palindrome (74363036347).

The spelling of 40232013143 in words is "forty billion, two hundred thirty-two million, thirteen thousand, one hundred forty-three".

Divisors: 1 7 5747430449 40232013143