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30244313021 = 1310325189989
BaseRepresentation
bin11100001010101100…
…111001011110111101
32220001210000021211112
4130022230321132331
5443420021004041
621521040331405
72120324263466
oct341254713675
986053007745
1030244313021
111191014301a
125a40913b65
132b0cb96110
14166ca83d6d
15bc02d7deb
hex70ab397bd

30244313021 has 16 divisors (see below), whose sum is σ = 33018410880. Its totient is φ = 27536328000.

The previous prime is 30244313003. The next prime is 30244313039. The reversal of 30244313021 is 12031344203.

It is an interprime number because it is at equal distance from previous prime (30244313003) and next prime (30244313039).

It is a cyclic number.

It is not a de Polignac number, because 30244313021 - 210 = 30244311997 is a prime.

It is a super-2 number, since 2×302443130212 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30244313621) 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, 291095 + ... + 381083.

It is an arithmetic number, because the mean of its divisors is an integer number (2063650680).

Almost surely, 230244313021 is an apocalyptic number.

It is an amenable number.

30244313021 is a deficient number, since it is larger than the sum of its proper divisors (2774097859).

30244313021 is a wasteful number, since it uses less digits than its factorization.

30244313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90356.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30244313021 its reverse (12031344203), we get a palindrome (42275657224).

The spelling of 30244313021 in words is "thirty billion, two hundred forty-four million, three hundred thirteen thousand, twenty-one".

Divisors: 1 13 103 251 1339 3263 25853 89989 336089 1169857 9268867 22587239 120495271 293634107 2326485617 30244313021