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30344430430 = 252910928807
BaseRepresentation
bin11100010000101010…
…110100001101011110
32220022202101210002201
4130100222310031132
5444121133233210
621535014242114
72122651255126
oct342052641536
986282353081
1030344430430
1111961704786
125a6a35633a
132b2784b1a2
14167c0a5c86
15bc8eb253a
hex710ab435e

30344430430 has 48 divisors (see below), whose sum is σ = 57033033120. Its totient is φ = 11610393984.

The previous prime is 30344430427. The next prime is 30344430433. The reversal of 30344430430 is 3403444303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30344430427) and next prime (30344430433).

It is a super-2 number, since 2×303444304302 (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 (30344430433) 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 23 ways as a sum of consecutive naturals, for example, 3441087 + ... + 3449893.

It is an arithmetic number, because the mean of its divisors is an integer number (1188188190).

Almost surely, 230344430430 is an apocalyptic number.

30344430430 is a deficient number, since it is larger than the sum of its proper divisors (26688602690).

30344430430 is a wasteful number, since it uses less digits than its factorization.

30344430430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9061 (or 8952 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 30344430430 its reverse (3403444303), we get a palindrome (33747874733).

The spelling of 30344430430 in words is "thirty billion, three hundred forty-four million, four hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 29 58 109 145 218 290 545 1090 3161 6322 8807 11881 15805 17614 23762 31610 44035 59405 88070 118810 255403 344549 510806 689098 959963 1277015 1722745 1919926 2554030 3445490 4799815 9599630 27838927 55677854 104635967 139194635 209271934 278389270 523179835 1046359670 3034443043 6068886086 15172215215 30344430430