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30471701047 = 261411165667
BaseRepresentation
bin11100011000010000…
…010100001000110111
32220122121212210120021
4130120100110020313
5444401223413142
621555402150011
72126055120364
oct343020241067
986577783507
1030471701047
1111a17532007
125aa4ab2307
132b4801c548
141690d5546b
15bd5252267
hex718414237

30471701047 has 4 divisors (see below), whose sum is σ = 30472892856. Its totient is φ = 30470509240.

The previous prime is 30471700999. The next prime is 30471701053. The reversal of 30471701047 is 74010717403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30471701047 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 (30471701147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556693 + ... + 608974.

It is an arithmetic number, because the mean of its divisors is an integer number (7618223214).

Almost surely, 230471701047 is an apocalyptic number.

30471701047 is a deficient number, since it is larger than the sum of its proper divisors (1191809).

30471701047 is a wasteful number, since it uses less digits than its factorization.

30471701047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191808.

The product of its (nonzero) digits is 16464, while the sum is 34.

The spelling of 30471701047 in words is "thirty billion, four hundred seventy-one million, seven hundred one thousand, forty-seven".

Divisors: 1 26141 1165667 30471701047