Search a number
-
+
10501252321 = 72951730307
BaseRepresentation
bin10011100011110110…
…00110010011100001
31000002211221220001011
421301323012103201
5133001310033241
64454010140521
7521142112660
oct116173062341
930084856034
1010501252321
1144a975732a
122050a21741
13cb47c0591
14718962dd7
15416dc2281
hex271ec64e1

10501252321 has 8 divisors (see below), whose sum is σ = 12415273920. Its totient is φ = 8690691408.

The previous prime is 10501252277. The next prime is 10501252337. The reversal of 10501252321 is 12325210501.

10501252321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10501252321 - 217 = 10501121249 is a prime.

It is a super-2 number, since 2×105012523212 (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 10501252292 and 10501252301.

It is not an unprimeable number, because it can be changed into a prime (10501252621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25864951 + ... + 25865356.

It is an arithmetic number, because the mean of its divisors is an integer number (1551909240).

Almost surely, 210501252321 is an apocalyptic number.

It is an amenable number.

10501252321 is a deficient number, since it is larger than the sum of its proper divisors (1914021599).

10501252321 is an equidigital number, since it uses as much as digits as its factorization.

10501252321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51730343.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 10501252321 its reverse (12325210501), we get a palindrome (22826462822).

The spelling of 10501252321 in words is "ten billion, five hundred one million, two hundred fifty-two thousand, three hundred twenty-one".

Divisors: 1 7 29 203 51730307 362112149 1500178903 10501252321