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42243440411 = 192916722749
BaseRepresentation
bin100111010101111001…
…111011111100011011
311001001000111010012002
4213111321323330123
51143003310043121
631223435311215
73023555214254
oct472571737433
9131030433162
1042243440411
1116a08359027
12822b2ab50b
133ca2ab36b3
14208a515b2b
151173934e0b
hex9d5e7bf1b

42243440411 has 24 divisors (see below), whose sum is σ = 46294050000. Its totient is φ = 38394748224.

The previous prime is 42243440401. The next prime is 42243440431. The reversal of 42243440411 is 11404434224.

It is a de Polignac number, because none of the positive numbers 2k-42243440411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42243440401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15365465 + ... + 15368213.

It is an arithmetic number, because the mean of its divisors is an integer number (1928918750).

Almost surely, 242243440411 is an apocalyptic number.

42243440411 is a deficient number, since it is larger than the sum of its proper divisors (4050609589).

42243440411 is a wasteful number, since it uses less digits than its factorization.

42243440411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 2964 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42243440411 its reverse (11404434224), we get a palindrome (53647874635).

The spelling of 42243440411 in words is "forty-two billion, two hundred forty-three million, four hundred forty thousand, four hundred eleven".

Divisors: 1 19 29 167 551 2749 3173 4843 27889 52231 79721 92017 459083 529891 808781 1514699 8722577 13313407 15366839 76666861 252954733 1456670359 2223338969 42243440411