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102111010302 = 2371012238331
BaseRepresentation
bin101111100011001001…
…0100101110111111110
3100202120021212202222110
41133012102211313332
53133110404312202
6114524213154450
710243256160330
oct1370622456776
9322507782873
10102111010302
113a33a004414
121795892ba26
139823c83c72
144d29575450
1529c972926c
hex17c64a5dfe

102111010302 has 48 divisors (see below), whose sum is σ = 235731321216. Its totient is φ = 28885596000.

The previous prime is 102111010297. The next prime is 102111010303. The reversal of 102111010302 is 203010111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111010303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309277 + ... + 547607.

It is an arithmetic number, because the mean of its divisors is an integer number (4911069192).

Almost surely, 2102111010302 is an apocalyptic number.

102111010302 is an abundant number, since it is smaller than the sum of its proper divisors (133620310914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111010302 is a wasteful number, since it uses less digits than its factorization.

102111010302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238545 (or 238444 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 102111010302 its reverse (203010111201), we get a palindrome (305121121503).

The spelling of 102111010302 in words is "one hundred two billion, one hundred eleven million, ten thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 42 101 202 303 606 707 1414 2121 4242 10201 20402 30603 61206 71407 142814 214221 238331 428442 476662 714993 1429986 1668317 3336634 5004951 10009902 24071431 48142862 72214293 144428586 168500017 337000034 505500051 1011000102 2431214531 4862429062 7293643593 14587287186 17018501717 34037003434 51055505151 102111010302