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101222130142 = 2721812156999
BaseRepresentation
bin101111001000101001…
…1110010000111011110
3100200021100021222122001
41132101103302013132
53124300331131032
6114300101312514
710212243624100
oct1362123620736
9320240258561
10101222130142
1139a23287611
121774b10573a
139711a81a83
144c834b1570
1529766973e7
hex17914f21de

101222130142 has 24 divisors (see below), whose sum is σ = 176635134000. Its totient is φ = 43377757920.

The previous prime is 101222130101. The next prime is 101222130157. The reversal of 101222130142 is 241031222101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1747359 + ... + 1804357.

It is an arithmetic number, because the mean of its divisors is an integer number (7359797250).

Almost surely, 2101222130142 is an apocalyptic number.

101222130142 is a deficient number, since it is larger than the sum of its proper divisors (75413003858).

101222130142 is a wasteful number, since it uses less digits than its factorization.

101222130142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75136 (or 75129 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101222130142 its reverse (241031222101), we get a palindrome (342253352243).

The spelling of 101222130142 in words is "one hundred one billion, two hundred twenty-two million, one hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 7 14 49 98 18121 36242 56999 113998 126847 253694 398993 797986 887929 1775858 2792951 5585902 1032878879 2065757758 7230152153 14460304306 50611065071 101222130142