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104024400221 = 7131243746549
BaseRepresentation
bin110000011100001010…
…1100110000101011101
3100221111122021001111202
41200320111212011131
53201020221301341
6115442123525245
710341551545520
oct1407025460535
9327448231452
10104024400221
11401310755a5
12181b1689825
139a6a4c5351
14506b726bb7
152a8c6ce79b
hex183856615d

104024400221 has 16 divisors (see below), whose sum is σ = 119844278400. Its totient is φ = 88444923840.

The previous prime is 104024400191. The next prime is 104024400229. The reversal of 104024400221 is 122004420401.

It is not a de Polignac number, because 104024400221 - 26 = 104024400157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104024400193 and 104024400202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104024400229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211455 + ... + 2258003.

It is an arithmetic number, because the mean of its divisors is an integer number (7490267400).

Almost surely, 2104024400221 is an apocalyptic number.

It is an amenable number.

104024400221 is a deficient number, since it is larger than the sum of its proper divisors (15819878179).

104024400221 is a wasteful number, since it uses less digits than its factorization.

104024400221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49124.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 104024400221 its reverse (122004420401), we get a palindrome (226028820622).

The spelling of 104024400221 in words is "one hundred four billion, twenty-four million, four hundred thousand, two hundred twenty-one".

Divisors: 1 7 131 917 2437 17059 46549 319247 325843 2234729 6097919 42685433 113439913 794079391 14860628603 104024400221