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30060255221 = 1272717511163
BaseRepresentation
bin11011111111101110…
…110001011111110101
32212120221200011222222
4123333232301133311
5443030411131341
621450503332125
72112630645023
oct337756613765
985527604888
1030060255221
1111826259737
1259ab151045
132ab0a01289
141652451713
15bae07c44b
hex6ffbb17f5

30060255221 has 16 divisors (see below), whose sum is σ = 30475419648. Its totient is φ = 29648430000.

The previous prime is 30060255217. The next prime is 30060255233. The reversal of 30060255221 is 12255206003.

It is a cyclic number.

It is not a de Polignac number, because 30060255221 - 22 = 30060255217 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 (30060255271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25846586 + ... + 25847748.

It is an arithmetic number, because the mean of its divisors is an integer number (1904713728).

Almost surely, 230060255221 is an apocalyptic number.

It is an amenable number.

30060255221 is a deficient number, since it is larger than the sum of its proper divisors (415164427).

30060255221 is a wasteful number, since it uses less digits than its factorization.

30060255221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 30060255221 in words is "thirty billion, sixty million, two hundred fifty-five thousand, two hundred twenty-one".

Divisors: 1 127 271 751 1163 34417 95377 147701 203521 315173 873413 25847167 40026971 110923451 236694923 30060255221