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30426203721 = 394710709681
BaseRepresentation
bin11100010101100010…
…110000011001001001
32220112110021021222010
4130111202300121021
5444303102004341
621551055050133
72124663315204
oct342542603111
986473237863
1030426203721
11119a3887211
125a91810949
132b3b77c754
141688cb093b
15bd1266716
hex7158b0649

30426203721 has 8 divisors (see below), whose sum is σ = 40611114144. Its totient is φ = 20262714560.

The previous prime is 30426203711. The next prime is 30426203737. The reversal of 30426203721 is 12730262403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30426203721 - 26 = 30426203657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30426203711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5352000 + ... + 5357681.

It is an arithmetic number, because the mean of its divisors is an integer number (5076389268).

Almost surely, 230426203721 is an apocalyptic number.

It is an amenable number.

30426203721 is a deficient number, since it is larger than the sum of its proper divisors (10184910423).

30426203721 is a wasteful number, since it uses less digits than its factorization.

30426203721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710631.

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 30426203721 in words is "thirty billion, four hundred twenty-six million, two hundred three thousand, seven hundred twenty-one".

Divisors: 1 3 947 2841 10709681 32129043 10142067907 30426203721