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30473045719 = 136812227399
BaseRepresentation
bin11100011000010101…
…011100011011010111
32220122201102010002221
4130120111130123113
5444402044430334
621555451043211
72126102420614
oct343025343327
986581363087
1030473045719
1111a18270306
125aa5440507
132b483a05cc
1416911c550b
15bd541a8b4
hex71855c6d7

30473045719 has 4 divisors (see below), whose sum is σ = 30475286800. Its totient is φ = 30470804640.

The previous prime is 30473045677. The next prime is 30473045737. The reversal of 30473045719 is 91754037403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91754037403 = 713107719629.

It is a cyclic number.

It is not a de Polignac number, because 30473045719 - 27 = 30473045591 is a prime.

It is a super-2 number, since 2×304730457192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30473048719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100019 + ... + 1127380.

It is an arithmetic number, because the mean of its divisors is an integer number (7618821700).

Almost surely, 230473045719 is an apocalyptic number.

30473045719 is a deficient number, since it is larger than the sum of its proper divisors (2241081).

30473045719 is a wasteful number, since it uses less digits than its factorization.

30473045719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241080.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 30473045719 in words is "thirty billion, four hundred seventy-three million, forty-five thousand, seven hundred nineteen".

Divisors: 1 13681 2227399 30473045719