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102403043412 = 223172933235209
BaseRepresentation
bin101111101011110110…
…0100111000001010100
3100210022122101121002120
41133113230213001110
53134210134342122
6115013204335540
710253433335655
oct1372754470124
9323278347076
10102403043412
113a47993719a
1217a1a6a45b0
13986c622717
144d5627352c
1529e51b275c
hex17d7b27054

102403043412 has 96 divisors (see below), whose sum is σ = 261848764800. Its totient is φ = 31003348992.

The previous prime is 102403043357. The next prime is 102403043453. The reversal of 102403043412 is 214340304201.

102403043412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19656264 + ... + 19661472.

It is an arithmetic number, because the mean of its divisors is an integer number (2727591300).

Almost surely, 2102403043412 is an apocalyptic number.

102403043412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102403043412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130924382400).

102403043412 is an abundant number, since it is smaller than the sum of its proper divisors (159445721388).

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

102403043412 is a wasteful number, since it uses less digits than its factorization.

102403043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8585 (or 8583 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 102403043412 its reverse (214340304201), we get a palindrome (316743347613).

The spelling of 102403043412 in words is "one hundred two billion, four hundred three million, forty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 17 29 34 51 58 68 87 102 116 174 204 348 493 986 1479 1972 2958 3323 5209 5916 6646 9969 10418 13292 15627 19938 20836 31254 39876 56491 62508 88553 96367 112982 151061 169473 177106 192734 225964 265659 289101 302122 338946 354212 385468 453183 531318 578202 604244 677892 906366 1062636 1156404 1638239 1812732 2568037 3276478 4914717 5136074 6552956 7704111 9829434 10272148 15408222 17309507 19658868 30816444 34619014 51928521 69238028 103857042 207714084 294261619 501975703 588523238 882784857 1003951406 1177046476 1505927109 1765569714 2007902812 3011854218 3531139428 6023708436 8533586951 17067173902 25600760853 34134347804 51201521706 102403043412