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1993734291297 = 37162158568617
BaseRepresentation
bin11101000000110011110…
…100101111111101100001
321001121011202210212110210
4131000303310233331201
5230131131434310142
64123524153044333
7264020410600530
oct35006364577541
97047152725423
101993734291297
116a95a1038131
122824956b66a9
13116015415b28
146c6d6676317
1536cdcdab49c
hex1d033d2ff61

1993734291297 has 16 divisors (see below), whose sum is σ = 3039945548672. Its totient is φ = 1138573895040.

The previous prime is 1993734291287. The next prime is 1993734291301. The reversal of 1993734291297 is 7921924373991.

It is not a de Polignac number, because 1993734291297 - 27 = 1993734291169 is a prime.

It is a super-3 number, since 3×19937342912973 (a number of 38 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1993734291287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29250268 + ... + 29318349.

It is an arithmetic number, because the mean of its divisors is an integer number (189996596792).

Almost surely, 21993734291297 is an apocalyptic number.

It is an amenable number.

1993734291297 is a deficient number, since it is larger than the sum of its proper divisors (1046211257375).

1993734291297 is a wasteful number, since it uses less digits than its factorization.

1993734291297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58570248.

The product of its digits is 46294416, while the sum is 66.

The spelling of 1993734291297 in words is "one trillion, nine hundred ninety-three billion, seven hundred thirty-four million, two hundred ninety-one thousand, two hundred ninety-seven".

Divisors: 1 3 7 21 1621 4863 11347 34041 58568617 175705851 409980319 1229940957 94939728157 284819184471 664578097099 1993734291297