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16492107225 = 3521119990433
BaseRepresentation
bin11110101110000000…
…11001010111011001
31120120100210212000010
433113000121113121
5232233434412400
611324255032133
71122455412156
oct172700312731
946510725003
1016492107225
116aa3401290
12324320b649
13172aa06939
14b2647122d
15667d00450
hex3d70195d9

16492107225 has 24 divisors (see below), whose sum is σ = 29745765792. Its totient is φ = 7996172800.

The previous prime is 16492107173. The next prime is 16492107227. The reversal of 16492107225 is 52270129461.

It is not a de Polignac number, because 16492107225 - 29 = 16492106713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16492107227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9994392 + ... + 9996041.

It is an arithmetic number, because the mean of its divisors is an integer number (1239406908).

Almost surely, 216492107225 is an apocalyptic number.

16492107225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16492107225 is a deficient number, since it is larger than the sum of its proper divisors (13253658567).

16492107225 is a wasteful number, since it uses less digits than its factorization.

16492107225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19990457 (or 19990452 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 16492107225 in words is "sixteen billion, four hundred ninety-two million, one hundred seven thousand, two hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 19990433 59971299 99952165 219894763 299856495 499760825 659684289 1099473815 1499282475 3298421445 5497369075 16492107225