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102424120244 = 2258974342213
BaseRepresentation
bin101111101100011110…
…1000000101110110100
3100210101010001102001222
41133120331000232310
53134231033321434
6115015240205512
710254110441315
oct1373075005664
9323333042058
10102424120244
113a48a822566
1217a25769898
139873ac2014
144d58d9c60c
1529e6e7772e
hex17d8f40bb4

102424120244 has 12 divisors (see below), whose sum is σ = 179272647204. Its totient is φ = 51203363904.

The previous prime is 102424120217. The next prime is 102424120289. The reversal of 102424120244 is 442021424201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57509795344 + 44914324900 = 239812^2 + 211930^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147519 + ... + 2194694.

It is an arithmetic number, because the mean of its divisors is an integer number (14939387267).

Almost surely, 2102424120244 is an apocalyptic number.

It is an amenable number.

102424120244 is a deficient number, since it is larger than the sum of its proper divisors (76848526960).

102424120244 is a wasteful number, since it uses less digits than its factorization.

102424120244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348114 (or 4348112 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 102424120244 its reverse (442021424201), we get a palindrome (544445544445).

The spelling of 102424120244 in words is "one hundred two billion, four hundred twenty-four million, one hundred twenty thousand, two hundred forty-four".

Divisors: 1 2 4 5897 11794 23588 4342213 8684426 17368852 25606030061 51212060122 102424120244