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30351402236 = 227587850559
BaseRepresentation
bin11100010001000101…
…011010010011111100
32220100020111222121202
4130101011122103330
5444124424332421
621535423515032
72123064443111
oct342105322374
986306458552
1030351402236
1111965636801
125a70758a78
132b2911c60c
14167cd9c908
15bc98dd10b
hex71115a4fc

30351402236 has 6 divisors (see below), whose sum is σ = 53114953920. Its totient is φ = 15175701116.

The previous prime is 30351402229. The next prime is 30351402239. The reversal of 30351402236 is 63220415303.

It is a junction number, because it is equal to n+sod(n) for n = 30351402199 and 30351402208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30351402239) 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 as a sum of consecutive naturals, namely, 3793925276 + ... + 3793925283.

It is an arithmetic number, because the mean of its divisors is an integer number (8852492320).

Almost surely, 230351402236 is an apocalyptic number.

It is an amenable number.

30351402236 is a deficient number, since it is larger than the sum of its proper divisors (22763551684).

30351402236 is a wasteful number, since it uses less digits than its factorization.

30351402236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587850563 (or 7587850561 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 30351402236 its reverse (63220415303), we get a palindrome (93571817539).

The spelling of 30351402236 in words is "thirty billion, three hundred fifty-one million, four hundred two thousand, two hundred thirty-six".

Divisors: 1 2 4 7587850559 15175701118 30351402236