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42203311013 = 77935415541
BaseRepresentation
bin100111010011100000…
…110110101110100101
311000221012222100000002
4213103200312232211
51142413021423023
631215443231045
73022560140033
oct472340665645
9130835870002
1042203311013
111699773a236
128219978485
133c976a2ca6
14208506b553
151170159b28
hex9d3836ba5

42203311013 has 4 divisors (see below), whose sum is σ = 42208734348. Its totient is φ = 42197887680.

The previous prime is 42203310943. The next prime is 42203311021. The reversal of 42203311013 is 31011330224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35863648129 + 6339662884 = 189377^2 + 79622^2 .

It is a cyclic number.

It is not a de Polignac number, because 42203311013 - 28 = 42203310757 is a prime.

It is a super-2 number, since 2×422033110132 (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 (42203310013) 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, 2699978 + ... + 2715563.

It is an arithmetic number, because the mean of its divisors is an integer number (10552183587).

Almost surely, 242203311013 is an apocalyptic number.

It is an amenable number.

42203311013 is a deficient number, since it is larger than the sum of its proper divisors (5423335).

42203311013 is an equidigital number, since it uses as much as digits as its factorization.

42203311013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423334.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 42203311013 its reverse (31011330224), we get a palindrome (73214641237).

The spelling of 42203311013 in words is "forty-two billion, two hundred three million, three hundred eleven thousand, thirteen".

Divisors: 1 7793 5415541 42203311013