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104102139998 = 21727116017057
BaseRepresentation
bin110000011110011111…
…0001001100001011110
3100221201001112122102202
41200330332021201132
53201200121434443
6115453542051502
710343514406223
oct1407476114136
9327631478382
10104102139998
1140170a4264a
1218213719b92
139a80643a0c
145077ba194a
152a944387b8
hex183cf8985e

104102139998 has 32 divisors (see below), whose sum is σ = 166075982208. Its totient is φ = 48771072000.

The previous prime is 104102139997. The next prime is 104102140027. The reversal of 104102139998 is 899931201401.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104102139997) 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 15 ways as a sum of consecutive naturals, for example, 14748086 + ... + 14755142.

It is an arithmetic number, because the mean of its divisors is an integer number (5189874444).

Almost surely, 2104102139998 is an apocalyptic number.

104102139998 is a deficient number, since it is larger than the sum of its proper divisors (61973842210).

104102139998 is a wasteful number, since it uses less digits than its factorization.

104102139998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8948.

The product of its (nonzero) digits is 139968, while the sum is 47.

The spelling of 104102139998 in words is "one hundred four billion, one hundred two million, one hundred thirty-nine thousand, nine hundred ninety-eight".

Divisors: 1 2 17 34 271 542 1601 3202 4607 7057 9214 14114 27217 54434 119969 239938 433871 867742 1912447 3824894 7375807 11298257 14751614 22596514 32511599 65023198 192070369 384140738 3061827647 6123655294 52051069999 104102139998