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30087403441 = 67449065723
BaseRepresentation
bin11100000001010110…
…010101011110110001
32212122211202110100121
4130001112111132301
5443104333402231
621453313250241
72113410465244
oct340126253661
985584673317
1030087403441
111183a611587
1259b8263981
132ab6518204
141655cbb25b
15bb1641311
hex7015957b1

30087403441 has 4 divisors (see below), whose sum is σ = 30536469232. Its totient is φ = 29638337652.

The previous prime is 30087403427. The next prime is 30087403453. The reversal of 30087403441 is 14430478003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14430478003 = 37390012919.

It is a cyclic number.

It is not a de Polignac number, because 30087403441 - 213 = 30087395249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30087403397 and 30087403406.

It is not an unprimeable number, because it can be changed into a prime (30087403481) 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 3 ways as a sum of consecutive naturals, for example, 224532795 + ... + 224532928.

It is an arithmetic number, because the mean of its divisors is an integer number (7634117308).

Almost surely, 230087403441 is an apocalyptic number.

It is an amenable number.

30087403441 is a deficient number, since it is larger than the sum of its proper divisors (449065791).

30087403441 is an equidigital number, since it uses as much as digits as its factorization.

30087403441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449065790.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 30087403441 in words is "thirty billion, eighty-seven million, four hundred three thousand, four hundred forty-one".

Divisors: 1 67 449065723 30087403441