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30430489341 = 376199123971
BaseRepresentation
bin11100010101110011…
…000110101011111101
32220112202100000201210
4130111303012223331
5444310201124331
621551330555033
72125044614550
oct342563065375
986482300653
1030430489341
11119a624404a
125a93138a79
132b3c620315
1416896a8697
15bd1811446
hex715cc6afd

30430489341 has 32 divisors (see below), whose sum is σ = 47179964416. Its totient is φ = 17085816000.

The previous prime is 30430489339. The next prime is 30430489343. The reversal of 30430489341 is 14398403403.

It is an interprime number because it is at equal distance from previous prime (30430489339) and next prime (30430489343).

It is not a de Polignac number, because 30430489341 - 21 = 30430489339 is a prime.

It is a super-2 number, since 2×304304893412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30430489341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430489343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1257486 + ... + 1281456.

It is an arithmetic number, because the mean of its divisors is an integer number (1474373888).

Almost surely, 230430489341 is an apocalyptic number.

It is an amenable number.

30430489341 is a deficient number, since it is larger than the sum of its proper divisors (16749475075).

30430489341 is a wasteful number, since it uses less digits than its factorization.

30430489341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25033.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 30430489341 in words is "thirty billion, four hundred thirty million, four hundred eighty-nine thousand, three hundred forty-one".

Divisors: 1 3 7 21 61 183 427 991 1281 2973 6937 20811 23971 60451 71913 167797 181353 423157 503391 1269471 1462231 4386693 10235617 23755261 30706851 71265783 166286827 498860481 1449070921 4347212763 10143496447 30430489341