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30573733349 = 199153636851
BaseRepresentation
bin11100011110010101…
…100010010111100101
32220220201212120120102
4130132111202113211
51000103333431344
622013445113445
72131434305555
oct343625422745
986821776512
1030573733349
1111a6a091425
125b130b8885
132b631c50a3
1416a0715165
15bde1a8e4e
hex71e5625e5

30573733349 has 4 divisors (see below), whose sum is σ = 30727370400. Its totient is φ = 30420096300.

The previous prime is 30573733237. The next prime is 30573733367. The reversal of 30573733349 is 94333737503.

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: 94333737503 = 102859917117.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30573733349 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 (30573730349) 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, 76818227 + ... + 76818624.

It is an arithmetic number, because the mean of its divisors is an integer number (7681842600).

Almost surely, 230573733349 is an apocalyptic number.

It is an amenable number.

30573733349 is a deficient number, since it is larger than the sum of its proper divisors (153637051).

30573733349 is a wasteful number, since it uses less digits than its factorization.

30573733349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153637050.

The product of its (nonzero) digits is 2143260, while the sum is 47.

The spelling of 30573733349 in words is "thirty billion, five hundred seventy-three million, seven hundred thirty-three thousand, three hundred forty-nine".

Divisors: 1 199 153636851 30573733349