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102333442221 = 32419103126321
BaseRepresentation
bin101111101001110001…
…1000110100010101101
3100210010210102111012200
41133103203012202231
53134034330122341
6115002240452113
710251626623023
oct1372343064255
9323123374180
10102333442221
113a44361884a
12179bb31a039
13985b09359a
144d4ad16713
1529de014db6
hex17d38c68ad

102333442221 has 24 divisors (see below), whose sum is σ = 148317099840. Its totient is φ = 67990876800.

The previous prime is 102333442219. The next prime is 102333442279. The reversal of 102333442221 is 122244333201.

102333442221 is a `hidden beast` number, since 1 + 0 + 233 + 3 + 4 + 422 + 2 + 1 = 666.

It is not a de Polignac number, because 102333442221 - 21 = 102333442219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102333442621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3874741 + ... + 3901061.

It is an arithmetic number, because the mean of its divisors is an integer number (6179879160).

Almost surely, 2102333442221 is an apocalyptic number.

It is an amenable number.

102333442221 is a deficient number, since it is larger than the sum of its proper divisors (45983657619).

102333442221 is a wasteful number, since it uses less digits than its factorization.

102333442221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777 (or 27774 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 102333442221 its reverse (122244333201), we get a palindrome (224577775422).

The spelling of 102333442221 in words is "one hundred two billion, three hundred thirty-three million, four hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 3 9 419 1031 1257 3093 3771 9279 26321 78963 236889 431989 1295967 3887901 11028499 27136951 33085497 81410853 99256491 244232559 11370382469 34111147407 102333442221