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42102052343 = 1322391915803
BaseRepresentation
bin100111001101011110…
…100101010111110111
311000200011102212012222
4213031132211113313
51142211111133333
631201425032555
73020220353201
oct471536452767
9130604385188
1042102052343
111694556908a
1281aba8575b
133c7c70b610
14207582d771
151166307298
hex9cd7a55f7

42102052343 has 16 divisors (see below), whose sum is σ = 45596436480. Its totient is φ = 38644612704.

The previous prime is 42102052301. The next prime is 42102052373. The reversal of 42102052343 is 34325020124.

It is a cyclic number.

It is not a de Polignac number, because 42102052343 - 210 = 42102051319 is a prime.

It is a super-2 number, since 2×421020523432 (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 (42102052373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2656280 + ... + 2672082.

It is an arithmetic number, because the mean of its divisors is an integer number (2849777280).

Almost surely, 242102052343 is an apocalyptic number.

42102052343 is a deficient number, since it is larger than the sum of its proper divisors (3494384137).

42102052343 is a wasteful number, since it uses less digits than its factorization.

42102052343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16958.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 42102052343 its reverse (34325020124), we get a palindrome (76427072467).

The spelling of 42102052343 in words is "forty-two billion, one hundred two million, fifty-two thousand, three hundred forty-three".

Divisors: 1 13 223 919 2899 11947 15803 204937 205439 2664181 3524069 14522957 45812897 188798441 3238619411 42102052343