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52115222145 = 3571823272263
BaseRepresentation
bin110000100010010011…
…110010111010000001
311222111222222120220210
4300202103302322001
51323212444102040
635535202024333
73523315036110
oct604223627201
9158458876823
1052115222145
1120113758828
12a1253480a9
134bb705a36c
14274561dc77
151550417480
hexc224f2e81

52115222145 has 32 divisors (see below), whose sum is σ = 95349030912. Its totient is φ = 23810945472.

The previous prime is 52115222141. The next prime is 52115222161. The reversal of 52115222145 is 54122251125.

It is not a de Polignac number, because 52115222145 - 22 = 52115222141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52115222141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55284 + ... + 327546.

It is an arithmetic number, because the mean of its divisors is an integer number (2979657216).

Almost surely, 252115222145 is an apocalyptic number.

It is an amenable number.

52115222145 is a deficient number, since it is larger than the sum of its proper divisors (43233808767).

52115222145 is a wasteful number, since it uses less digits than its factorization.

52115222145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274101.

The product of its digits is 8000, while the sum is 30.

The spelling of 52115222145 in words is "fifty-two billion, one hundred fifteen million, two hundred twenty-two thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 1823 5469 9115 12761 27345 38283 63805 191415 272263 816789 1361315 1905841 4083945 5717523 9529205 28587615 496335449 1489006347 2481677245 3474348143 7445031735 10423044429 17371740715 52115222145