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6638884028041 = 15195891458501
BaseRepresentation
bin110000010011011110001…
…0100101111111010001001
3212111200010020112220011011
41200212330110233322021
51332232413302344131
622041510005003521
71253433510102346
oct140467424577211
925450106486134
106638884028041
11212a597a5a811
128b27b09b35a1
13392075ab9005
1418d4763457cd
15b7a5c84e0b1
hex609bc52fe89

6638884028041 has 8 divisors (see below), whose sum is σ = 6682934415168. Its totient is φ = 6594834750000.

The previous prime is 6638884028009. The next prime is 6638884028047. The reversal of 6638884028041 is 1408204888366.

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 6638884028041 - 25 = 6638884028009 is a prime.

It is a super-2 number, since 2×66388840280412 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6638884028047) 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, 14250291 + ... + 14708791.

It is an arithmetic number, because the mean of its divisors is an integer number (835366801896).

Almost surely, 26638884028041 is an apocalyptic number.

It is an amenable number.

6638884028041 is a deficient number, since it is larger than the sum of its proper divisors (44050387127).

6638884028041 is a wasteful number, since it uses less digits than its factorization.

6638884028041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554543.

The product of its (nonzero) digits is 14155776, while the sum is 58.

The spelling of 6638884028041 in words is "six trillion, six hundred thirty-eight billion, eight hundred eighty-four million, twenty-eight thousand, forty-one".

Divisors: 1 151 95891 458501 14479541 69233651 43966119391 6638884028041