Search a number
-
+
30221021000303 = 723391092034157
BaseRepresentation
bin1101101111100011000010…
…01110001011001001101111
310222000002201220200220100022
412313301201032023021233
512430120122334002203
6144135202334152355
76236253034034330
oct667614116131157
9128002656626308
1030221021000303
1196a1732548981
1234810529526bb
1313b2aa3816a33
147669c31aa287
153761b8947a38
hex1b7c6138b26f

30221021000303 has 16 divisors (see below), whose sum is σ = 34690367799360. Its totient is φ = 25789713244416.

The previous prime is 30221021000251. The next prime is 30221021000311. The reversal of 30221021000303 is 30300012012203.

It is a cyclic number.

It is not a de Polignac number, because 30221021000303 - 218 = 30221020738159 is a prime.

It is a super-2 number, since 2×302210210003032 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221021000603) 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, 13839701 + ... + 15873857.

It is an arithmetic number, because the mean of its divisors is an integer number (2168147987460).

Almost surely, 230221021000303 is an apocalyptic number.

30221021000303 is a deficient number, since it is larger than the sum of its proper divisors (4469346799057).

30221021000303 is a wasteful number, since it uses less digits than its factorization.

30221021000303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043506.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30221021000303 its reverse (30300012012203), we get a palindrome (60521033012506).

The spelling of 30221021000303 in words is "thirty trillion, two hundred twenty-one billion, twenty-one million, three hundred three", and thus it is an aban number.

Divisors: 1 7 233 1631 9109 63763 2034157 2122397 14239099 14856779 473958581 3317710067 18529136113 129703952791 4317288714329 30221021000303