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102855231376 = 2417378144233
BaseRepresentation
bin101111111001010100…
…1100100011110010000
3100211111011021010100221
41133302221210132100
53141121414401001
6115130120322424
710300564020142
oct1376251443620
9324434233327
10102855231376
113a691107757
1217b26013414
139912207271
144d9a340c92
152a1ec341a1
hex17f2a64790

102855231376 has 20 divisors (see below), whose sum is σ = 211004482572. Its totient is φ = 48402461696.

The previous prime is 102855231343. The next prime is 102855231377. The reversal of 102855231376 is 673132558201.

It can be written as a sum of positive squares in 2 ways, for example, as 89090310400 + 13764920976 = 298480^2 + 117324^2 .

It is not an unprimeable number, because it can be changed into a prime (102855231377) 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 3 ways as a sum of consecutive naturals, for example, 189071845 + ... + 189072388.

Almost surely, 2102855231376 is an apocalyptic number.

102855231376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102855231376 is an abundant number, since it is smaller than the sum of its proper divisors (108149251196).

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

102855231376 is a wasteful number, since it uses less digits than its factorization.

102855231376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378144258 (or 378144252 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

Adding to 102855231376 its reverse (673132558201), we get a palindrome (775987789577).

The spelling of 102855231376 in words is "one hundred two billion, eight hundred fifty-five million, two hundred thirty-one thousand, three hundred seventy-six".

Divisors: 1 2 4 8 16 17 34 68 136 272 378144233 756288466 1512576932 3025153864 6050307728 6428451961 12856903922 25713807844 51427615688 102855231376