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42443023413121 = 478317108577979
BaseRepresentation
bin10011010011010000010010…
…10101010110111110000001
312120021111212021111001212121
421221220021111112332001
521030341302443204441
6230134020014324241
711640256454322112
oct1151501125267601
9176244767431777
1042443023413121
1112583a92258321
1249158aa7b9681
131a8b48aa10a66
14a6a379078209
154d9091745dd1
hex269a09556f81

42443023413121 has 8 divisors (see below), whose sum is σ = 43351278606720. Its totient is φ = 41534985392208.

The previous prime is 42443023413113. The next prime is 42443023413137. The reversal of 42443023413121 is 12131432034424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42443023413121 - 23 = 42443023413113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42443023413521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53898091 + ... + 54679888.

It is an arithmetic number, because the mean of its divisors is an integer number (5418909825840).

Almost surely, 242443023413121 is an apocalyptic number.

It is an amenable number.

42443023413121 is a deficient number, since it is larger than the sum of its proper divisors (908255193599).

42443023413121 is a wasteful number, since it uses less digits than its factorization.

42443023413121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108586343.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 42443023413121 its reverse (12131432034424), we get a palindrome (54574455447545).

The spelling of 42443023413121 in words is "forty-two trillion, four hundred forty-three billion, twenty-three million, four hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 47 8317 390899 108577979 5103165013 903043051343 42443023413121