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4179426801987 = 31781949545137
BaseRepresentation
bin111100110100011001001…
…111111111100101000011
3112210112211102212122022210
4330310121033333211003
51021433431230130422
612520000245033203
7610645043443023
oct74643117774503
915715742778283
104179426801987
111371537521688
125760016b5803
1324416ca69858
141063dcd6ba83
1573ab31dc10c
hex3cd193ff943

4179426801987 has 8 divisors (see below), whose sum is σ = 5900367249936. Its totient is φ = 2622385444352.

The previous prime is 4179426801961. The next prime is 4179426802007. The reversal of 4179426801987 is 7891086249714.

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 4179426801987 - 27 = 4179426801859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4179426801937) 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, 40974772518 + ... + 40974772619.

It is an arithmetic number, because the mean of its divisors is an integer number (737545906242).

Almost surely, 24179426801987 is an apocalyptic number.

4179426801987 is a deficient number, since it is larger than the sum of its proper divisors (1720940447949).

4179426801987 is a wasteful number, since it uses less digits than its factorization.

4179426801987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81949545157.

The product of its (nonzero) digits is 48771072, while the sum is 66.

The spelling of 4179426801987 in words is "four trillion, one hundred seventy-nine billion, four hundred twenty-six million, eight hundred one thousand, nine hundred eighty-seven".

Divisors: 1 3 17 51 81949545137 245848635411 1393142267329 4179426801987