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30530555049 = 366029154127
BaseRepresentation
bin11100011011110000…
…110100110010101001
32220210201121220002010
4130123300310302221
51000011310230144
622005303430133
72130401302401
oct343360646251
986721556063
1030530555049
1111a4777a985
125b00755349
132b572879b7
141698ab5801
15bda4ca5b9
hex71bc34ca9

30530555049 has 8 divisors (see below), whose sum is σ = 40708287360. Its totient is φ = 20353263056.

The previous prime is 30530555047. The next prime is 30530555057. The reversal of 30530555049 is 94055503503.

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 30530555049 - 21 = 30530555047 is a prime.

It is a super-2 number, since 2×305305550492 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30530554998 and 30530555016.

It is not an unprimeable number, because it can be changed into a prime (30530555047) 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, 121024 + ... + 275150.

It is an arithmetic number, because the mean of its divisors is an integer number (5088535920).

Almost surely, 230530555049 is an apocalyptic number.

It is an amenable number.

30530555049 is a deficient number, since it is larger than the sum of its proper divisors (10177732311).

30530555049 is a wasteful number, since it uses less digits than its factorization.

30530555049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220159.

The product of its (nonzero) digits is 202500, while the sum is 39.

The spelling of 30530555049 in words is "thirty billion, five hundred thirty million, five hundred fifty-five thousand, forty-nine".

Divisors: 1 3 66029 154127 198087 462381 10176851683 30530555049