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42143320341401 = 180566323339527
BaseRepresentation
bin10011001010100010000011…
…01000110111101110011001
312112012212021110021120011012
421211101001220313232121
521010434010001411101
6225344212445343305
711606516523253526
oct1145210150675631
9175185243246135
1042143320341401
11124789777276a4
1248877a8867b35
131a69137575a76
14a59a6754a14d
154d13a018abbb
hex265441a37b99

42143320341401 has 4 divisors (see below), whose sum is σ = 42143345486592. Its totient is φ = 42143295196212.

The previous prime is 42143320341389. The next prime is 42143320341481. The reversal of 42143320341401 is 10414302334124.

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 42143320341401 - 210 = 42143320340377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42143320341481) 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, 9864101 + ... + 13475426.

It is an arithmetic number, because the mean of its divisors is an integer number (10535836371648).

Almost surely, 242143320341401 is an apocalyptic number.

It is an amenable number.

42143320341401 is a deficient number, since it is larger than the sum of its proper divisors (25145191).

42143320341401 is a wasteful number, since it uses less digits than its factorization.

42143320341401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25145190.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 42143320341401 its reverse (10414302334124), we get a palindrome (52557622675525).

The spelling of 42143320341401 in words is "forty-two trillion, one hundred forty-three billion, three hundred twenty million, three hundred forty-one thousand, four hundred one".

Divisors: 1 1805663 23339527 42143320341401