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102111121304 = 2312763890163
BaseRepresentation
bin101111100011001001…
…1000000111110011000
3100202120022002102020122
41133012103000332120
53133110421340204
6114524215412412
710243260132053
oct1370623007630
9322508072218
10102111121304
113a33a07a855
1217958984108
139823cc264a
144d295a3a9a
1529c974c0be
hex17c64c0f98

102111121304 has 8 divisors (see below), whose sum is σ = 191458352460. Its totient is φ = 51055560648.

The previous prime is 102111121271. The next prime is 102111121313. The reversal of 102111121304 is 403121111201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6381945074 + ... + 6381945089.

Almost surely, 2102111121304 is an apocalyptic number.

It is an amenable number.

102111121304 is a deficient number, since it is larger than the sum of its proper divisors (89347231156).

102111121304 is a wasteful number, since it uses less digits than its factorization.

102111121304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763890169 (or 12763890165 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102111121304 its reverse (403121111201), we get a palindrome (505232232505).

The spelling of 102111121304 in words is "one hundred two billion, one hundred eleven million, one hundred twenty-one thousand, three hundred four".

Divisors: 1 2 4 8 12763890163 25527780326 51055560652 102111121304