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102434503234 = 27231132725409
BaseRepresentation
bin101111101100110010…
…0100111101001000010
3100210101211120220212011
41133121210213221002
53134241213100414
6115020250523134
710254264624400
oct1373144475102
9323354526764
10102434503234
113a495674448
1217a291364aa
139875cb8cbb
144d5a502470
1529e7d28dc4
hex17d9927a42

102434503234 has 48 divisors (see below), whose sum is σ = 184649794560. Its totient is φ = 42450670080.

The previous prime is 102434503231. The next prime is 102434503247. The reversal of 102434503234 is 432305434201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 102434503196 and 102434503205.

It is not an unprimeable number, because it can be changed into a prime (102434503231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4018722 + ... + 4044130.

It is an arithmetic number, because the mean of its divisors is an integer number (3846870720).

Almost surely, 2102434503234 is an apocalyptic number.

102434503234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102434503234 is a deficient number, since it is larger than the sum of its proper divisors (82215291326).

102434503234 is a wasteful number, since it uses less digits than its factorization.

102434503234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26783 (or 26776 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 102434503234 its reverse (432305434201), we get a palindrome (534739937435).

The spelling of 102434503234 in words is "one hundred two billion, four hundred thirty-four million, five hundred three thousand, two hundred thirty-four".

Divisors: 1 2 7 14 31 49 62 98 217 434 1327 1519 2654 3038 9289 18578 25409 41137 50818 65023 82274 130046 177863 287959 355726 575918 787679 1245041 1575358 2015713 2490082 4031426 5513753 11027506 33717743 38596271 67435486 77192542 236024201 472048402 1045250033 1652169407 2090500066 3304338814 7316750231 14633500462 51217251617 102434503234