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30380817463 = 532417237163
BaseRepresentation
bin11100010010110101…
…100111110000110111
32220102021212102201121
4130102311213300313
5444204442124323
621542354204411
72123602454563
oct342265476067
986367772647
1030380817463
11119801a7907
125a7a583707
132b3224b389
141682c586a3
15bcc29da5d
hex712d67c37

30380817463 has 8 divisors (see below), whose sum is σ = 30966977808. Its totient is φ = 29795136384.

The previous prime is 30380817451. The next prime is 30380817491. The reversal of 30380817463 is 36471808303.

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 30380817463 - 221 = 30378720311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30380812463) 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, 9520 + ... + 246682.

It is an arithmetic number, because the mean of its divisors is an integer number (3870872226).

Almost surely, 230380817463 is an apocalyptic number.

30380817463 is a deficient number, since it is larger than the sum of its proper divisors (586160345).

30380817463 is a wasteful number, since it uses less digits than its factorization.

30380817463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239633.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 30380817463 in words is "thirty billion, three hundred eighty million, eight hundred seventeen thousand, four hundred sixty-three".

Divisors: 1 53 2417 128101 237163 12569639 573222971 30380817463