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102185349344 = 25132937922349
BaseRepresentation
bin101111100101010111…
…0001011000011100000
3100202202110202120222022
41133022232023003200
53133233422134334
6114535430401012
710245151065251
oct1371256130340
9322673676868
10102185349344
113a377a69441
1217979800168
1398364b1770
144d353a6b28
1529d101082e
hex17cab8b0e0

102185349344 has 96 divisors (see below), whose sum is σ = 224724780000. Its totient is φ = 45413996544.

The previous prime is 102185349337. The next prime is 102185349349. The reversal of 102185349344 is 443943581201.

It is a junction number, because it is equal to n+sod(n) for n = 102185349295 and 102185349304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102185349349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4561082 + ... + 4583430.

It is an arithmetic number, because the mean of its divisors is an integer number (2340883125).

Almost surely, 2102185349344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102185349344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112362390000).

102185349344 is an abundant number, since it is smaller than the sum of its proper divisors (122539430656).

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

102185349344 is a wasteful number, since it uses less digits than its factorization.

102185349344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22780 (or 22772 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 102185349344 in words is "one hundred two billion, one hundred eighty-five million, three hundred forty-nine thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 16 26 29 32 52 58 104 116 208 232 377 379 416 464 754 758 928 1508 1516 3016 3032 4927 6032 6064 9854 10991 12064 12128 19708 21982 22349 39416 43964 44698 78832 87928 89396 142883 157664 175856 178792 285766 290537 351712 357584 571532 581074 648121 715168 1143064 1162148 1296242 2286128 2324296 2592484 4572256 4648592 5184968 8425573 8470271 9297184 10369936 16851146 16940542 20739872 33702292 33881084 67404584 67762168 110113523 134809168 135524336 220227046 245637859 269618336 271048672 440454092 491275718 880908184 982551436 1761816368 1965102872 3193292167 3523632736 3930205744 6386584334 7860411488 12773168668 25546337336 51092674672 102185349344