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102245152225 = 52197161912823
BaseRepresentation
bin101111100111001001…
…0010011010111100001
3100202220122021220002211
41133032102103113201
53133344224332400
6114545404242121
710246505311546
oct1371622232741
9322818256084
10102245152225
113a3a87a5207
1217995840341
1398459bca98
144d3d2d2bcd
1529d63c4dba
hex17ce4935e1

102245152225 has 24 divisors (see below), whose sum is σ = 127516213440. Its totient is φ = 81324304320.

The previous prime is 102245152213. The next prime is 102245152231. The reversal of 102245152225 is 522251542201.

It is not a de Polignac number, because 102245152225 - 25 = 102245152193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7967164 + ... + 7979986.

It is an arithmetic number, because the mean of its divisors is an integer number (5313175560).

Almost surely, 2102245152225 is an apocalyptic number.

It is an amenable number.

102245152225 is a deficient number, since it is larger than the sum of its proper divisors (25271061215).

102245152225 is a wasteful number, since it uses less digits than its factorization.

102245152225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14649 (or 14644 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 102245152225 its reverse (522251542201), we get a palindrome (624496694426).

The spelling of 102245152225 in words is "one hundred two billion, two hundred forty-five million, one hundred fifty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 197 985 1619 4925 8095 12823 40475 64115 318943 320575 1594715 2526131 7973575 12630655 20760437 63153275 103802185 519010925 4089806089 20449030445 102245152225