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252780305275 = 5210111212211
BaseRepresentation
bin1110101101101011100…
…0010101101101111011
3220011110200201222221201
43223122320111231323
513120143224232100
6312043051115031
724156063100021
oct3533270255573
9804420658851
10252780305275
119822698a803
1240ba7742a77
131aab60b1944
14c33db8a711
156896e6336a
hex3adae15b7b

252780305275 has 6 divisors (see below), whose sum is σ = 313447578572. Its totient is φ = 202224244200.

The previous prime is 252780305269. The next prime is 252780305303. The reversal of 252780305275 is 572503087252.

It is not a de Polignac number, because 252780305275 - 213 = 252780297083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5055606081 + ... + 5055606130.

Almost surely, 2252780305275 is an apocalyptic number.

252780305275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

252780305275 is a deficient number, since it is larger than the sum of its proper divisors (60667273297).

252780305275 is a wasteful number, since it uses less digits than its factorization.

252780305275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111212221 (or 10111212216 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 252780305275 in words is "two hundred fifty-two billion, seven hundred eighty million, three hundred five thousand, two hundred seventy-five".

Divisors: 1 5 25 10111212211 50556061055 252780305275