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30044849549 = 11131997114001
BaseRepresentation
bin11011111110110100…
…000000010110001101
32212112212200111101112
4123332310000112031
5443012440141144
621445153221405
72112353002361
oct337664002615
985485614345
1030044849549
1111818597180
1259a5b61865
132aaa7690b0
1416503a12a1
15baca3799e
hex6fed0058d

30044849549 has 32 divisors (see below), whose sum is σ = 37538578560. Its totient is φ = 23639040000.

The previous prime is 30044849521. The next prime is 30044849563. The reversal of 30044849549 is 94594844003.

It is a de Polignac number, because none of the positive numbers 2k-30044849549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30044849497 and 30044849506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30044849599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206549 + ... + 320549.

It is an arithmetic number, because the mean of its divisors is an integer number (1173080580).

Almost surely, 230044849549 is an apocalyptic number.

It is an amenable number.

30044849549 is a deficient number, since it is larger than the sum of its proper divisors (7493729011).

30044849549 is a wasteful number, since it uses less digits than its factorization.

30044849549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114141.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 30044849549 in words is "thirty billion, forty-four million, eight hundred forty-nine thousand, five hundred forty-nine".

Divisors: 1 11 13 19 97 143 209 247 1067 1261 1843 2717 13871 20273 23959 114001 263549 1254011 1482013 2166019 11058097 16302143 23826209 28158247 121639067 143755261 210103843 309740717 1581307871 2311142273 2731349959 30044849549