Search a number
-
+
252530333257 = 5317344362171
BaseRepresentation
bin1110101100101111111…
…0110001011001001001
3220010211021101002210211
43223023332301121021
513114140231131012
6312002201241121
724146636262436
oct3531376613111
9803737332724
10252530333257
1198108876064
1240b37a931a1
131aa7637bbc7
14c3188bab8d
1568800376a7
hex3acbfb1649

252530333257 has 16 divisors (see below), whose sum is σ = 259370641728. Its totient is φ = 245773428160.

The previous prime is 252530333233. The next prime is 252530333317. The reversal of 252530333257 is 752333035252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252530333257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252530333207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4030782 + ... + 4092952.

It is an arithmetic number, because the mean of its divisors is an integer number (16210665108).

Almost surely, 2252530333257 is an apocalyptic number.

It is an amenable number.

252530333257 is a deficient number, since it is larger than the sum of its proper divisors (6840308471).

252530333257 is a wasteful number, since it uses less digits than its factorization.

252530333257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62840.

The product of its (nonzero) digits is 567000, while the sum is 40.

The spelling of 252530333257 in words is "two hundred fifty-two billion, five hundred thirty million, three hundred thirty-three thousand, two hundred fifty-seven".

Divisors: 1 53 173 443 9169 23479 62171 76639 3295063 4061867 10755583 27541753 570045899 1459712909 4764723269 252530333257