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10181796225 = 352239356731
BaseRepresentation
bin10010111101110000…
…11110000110000001
3222021120211211122220
421132320132012001
5131323014434400
64402155121253
7510212561046
oct113670360601
928246754586
1010181796225
1143553a4227
121b81a43229
13c6356cac3
146c83671cd
153e8d1d7a0
hex25ee1e181

10181796225 has 24 divisors (see below), whose sum is σ = 16841234592. Its totient is φ = 5427926400.

The previous prime is 10181796223. The next prime is 10181796241. The reversal of 10181796225 is 52269718101.

It is not a de Polignac number, because 10181796225 - 21 = 10181796223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10181796223) 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, 151110 + ... + 207840.

It is an arithmetic number, because the mean of its divisors is an integer number (701718108).

Almost surely, 210181796225 is an apocalyptic number.

10181796225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10181796225 is a deficient number, since it is larger than the sum of its proper divisors (6659438367).

10181796225 is a wasteful number, since it uses less digits than its factorization.

10181796225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59137 (or 59132 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 10181796225 in words is "ten billion, one hundred eighty-one million, seven hundred ninety-six thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 2393 7179 11965 35895 56731 59825 170193 179475 283655 850965 1418275 4254825 135757283 407271849 678786415 2036359245 3393932075 10181796225