Search a number
-
+
252442451001 = 3133110710917903
BaseRepresentation
bin1110101100011010111…
…1100001110000111001
3220010121011000020000110
43223012233201300321
513114000231413001
6311545341454533
724144521300106
oct3530657416071
9803534006013
10252442451001
11980732008a4
1240b12571449
131aa610bbb80
14c30ad61aad
1568774783d6
hex3ac6be1c39

252442451001 has 64 divisors (see below), whose sum is σ = 381157539840. Its totient is φ = 147558309120.

The previous prime is 252442450973. The next prime is 252442451011. The reversal of 252442451001 is 100154244252.

It is not a de Polignac number, because 252442451001 - 25 = 252442450969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252442451001.

It is not an unprimeable number, because it can be changed into a prime (252442451011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14091616 + ... + 14109518.

It is an arithmetic number, because the mean of its divisors is an integer number (5955586560).

Almost surely, 2252442451001 is an apocalyptic number.

It is an amenable number.

252442451001 is a deficient number, since it is larger than the sum of its proper divisors (128715088839).

252442451001 is a wasteful number, since it uses less digits than its factorization.

252442451001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18166.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 252442451001 its reverse (100154244252), we get a palindrome (352596695253).

The spelling of 252442451001 in words is "two hundred fifty-two billion, four hundred forty-two million, four hundred fifty-one thousand, one".

Divisors: 1 3 13 31 39 93 107 109 321 327 403 1209 1391 1417 3317 3379 4173 4251 9951 10137 11663 17903 34989 43121 43927 53709 129363 131781 151619 232739 361553 454857 554993 698217 1084659 1664979 1915621 1951427 4700189 5746863 5854281 7214909 14100567 21644727 24903073 25368551 59384251 60494237 74709219 76105653 178152753 181482711 208802689 626408067 771995263 786425081 2315985789 2359275243 2714434957 6472883359 8143304871 19418650077 84147483667 252442451001