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20016125363401 = 37678197976767
BaseRepresentation
bin1001000110100010111100…
…00010101100010011001001
32121212112010012011211201021
410203101132002230103021
510110421011043112101
6110323140412352441
74134055150242106
oct443213602542311
977775105154637
1020016125363401
116417877a48252
1222b3313a75721
13b2268802119b
144d2addb03aad
1524a9ea8915a1
hex12345e0ac4c9

20016125363401 has 8 divisors (see below), whose sum is σ = 20557407418880. Its totient is φ = 19474859397168.

The previous prime is 20016125363371. The next prime is 20016125363483. The reversal of 20016125363401 is 10436352161002.

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 20016125363401 - 227 = 20015991145673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20016125363501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479081 + ... + 6497686.

It is an arithmetic number, because the mean of its divisors is an integer number (2569675927360).

Almost surely, 220016125363401 is an apocalyptic number.

It is an amenable number.

20016125363401 is a deficient number, since it is larger than the sum of its proper divisors (541282055479).

20016125363401 is an equidigital number, since it uses as much as digits as its factorization.

20016125363401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044623.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 20016125363401 in words is "twenty trillion, sixteen billion, one hundred twenty-five million, three hundred sixty-three thousand, four hundred one".

Divisors: 1 37 67819 2509303 7976767 295140379 540976361173 20016125363401