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42203166233 = 231834920271
BaseRepresentation
bin100111010011100000…
…010011011000011001
311000221012200222101212
4213103200103120121
51142413002304413
631215440152505
73022555664654
oct472340233031
9130835628355
1042203166233
1116997650488
128219908735
133c97652117
14208503089b
15117012bca8
hex9d3813619

42203166233 has 4 divisors (see below), whose sum is σ = 44038086528. Its totient is φ = 40368245940.

The previous prime is 42203166227. The next prime is 42203166253. The reversal of 42203166233 is 33266130224.

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 42203166233 - 216 = 42203100697 is a prime.

It is a super-2 number, since 2×422031662332 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42203166233.

It is not an unprimeable number, because it can be changed into a prime (42203166223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917460113 + ... + 917460158.

It is an arithmetic number, because the mean of its divisors is an integer number (11009521632).

Almost surely, 242203166233 is an apocalyptic number.

It is an amenable number.

42203166233 is a deficient number, since it is larger than the sum of its proper divisors (1834920295).

42203166233 is a wasteful number, since it uses less digits than its factorization.

42203166233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834920294.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 42203166233 its reverse (33266130224), we get a palindrome (75469296457).

The spelling of 42203166233 in words is "forty-two billion, two hundred three million, one hundred sixty-six thousand, two hundred thirty-three".

Divisors: 1 23 1834920271 42203166233