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104104011081 = 3710746330223
BaseRepresentation
bin110000011110100010…
…1010010010101001001
3100221201012001201002010
41200331011102111021
53201201111323311
6115454050130133
710343536331250
oct1407505222511
9327635051063
10104104011081
11401720003a4
1218214280949
139a80b4a575
14507812b797
152a946a7da6
hex183d152549

104104011081 has 16 divisors (see below), whose sum is σ = 160117254144. Its totient is φ = 58932042384.

The previous prime is 104104011071. The next prime is 104104011097. The reversal of 104104011081 is 180110401401.

It is not a de Polignac number, because 104104011081 - 25 = 104104011049 is a prime.

It is a super-3 number, since 3×1041040110813 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (104104011041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23162865 + ... + 23167358.

It is an arithmetic number, because the mean of its divisors is an integer number (10007328384).

Almost surely, 2104104011081 is an apocalyptic number.

It is an amenable number.

104104011081 is a deficient number, since it is larger than the sum of its proper divisors (56013243063).

104104011081 is a wasteful number, since it uses less digits than its factorization.

104104011081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46330340.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 104104011081 its reverse (180110401401), we get a palindrome (284214412482).

The spelling of 104104011081 in words is "one hundred four billion, one hundred four million, eleven thousand, eighty-one".

Divisors: 1 3 7 21 107 321 749 2247 46330223 138990669 324311561 972934683 4957333861 14872001583 34701337027 104104011081