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42228294912791 = 133805385363319
BaseRepresentation
bin10011001101000000010101…
…00001001000101100010111
312112111222121110221001012222
421212200022201020230113
521013332021444202131
6225451224425332555
711615615341223651
oct1146401241105427
9175458543831188
1042228294912791
1112500a126528a9
1248a016263715b
131a7415a1a5140
14a5dc08c476d1
154d36c523b87b
hex26680a848b17

42228294912791 has 8 divisors (see below), whose sum is σ = 45477820909920. Its totient is φ = 38978939718432.

The previous prime is 42228294912773. The next prime is 42228294912827. The reversal of 42228294912791 is 19721949282224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42228294912791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42228294912701) 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, 42186971 + ... + 43176348.

It is an arithmetic number, because the mean of its divisors is an integer number (5684727613740).

Almost surely, 242228294912791 is an apocalyptic number.

42228294912791 is a deficient number, since it is larger than the sum of its proper divisors (3249525997129).

42228294912791 is a wasteful number, since it uses less digits than its factorization.

42228294912791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85401385.

The product of its digits is 20901888, while the sum is 62.

The spelling of 42228294912791 in words is "forty-two trillion, two hundred twenty-eight billion, two hundred ninety-four million, nine hundred twelve thousand, seven hundred ninety-one".

Divisors: 1 13 38053 494689 85363319 1109723147 3248330377907 42228294912791