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108003663125 = 54172805861
BaseRepresentation
bin110010010010110000…
…1010001110100010101
3101022202221221120000022
41210211201101310111
53232142414210000
6121341033154525
710542300663221
oct1444541216425
9338687846008
10108003663125
1141893285726
1218b2225ba45
13a252a35c97
145327ddd781
152c21c0a585
hex1925851d15

108003663125 has 10 divisors (see below), whose sum is σ = 134961378222. Its totient is φ = 86402930000.

The previous prime is 108003663083. The next prime is 108003663127. The reversal of 108003663125 is 521366300801.

It can be written as a sum of positive squares in 5 ways, for example, as 40082442436 + 67921220689 = 200206^2 + 260617^2 .

It is not a de Polignac number, because 108003663125 - 220 = 108002614549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108003663127) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 86402306 + ... + 86403555.

Almost surely, 2108003663125 is an apocalyptic number.

It is an amenable number.

108003663125 is a deficient number, since it is larger than the sum of its proper divisors (26957715097).

108003663125 is an frugal number, since it uses more digits than its factorization.

108003663125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172805881 (or 172805866 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 108003663125 its reverse (521366300801), we get a palindrome (629369963926).

The spelling of 108003663125 in words is "one hundred eight billion, three million, six hundred sixty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 172805861 864029305 4320146525 21600732625 108003663125