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30775827556 = 2215235051843
BaseRepresentation
bin11100101010011000…
…011101110001100100
32221102211011000201001
4130222120131301210
51001012102440211
622045504443044
72136440134525
oct345230356144
987384130631
1030775827556
1112063174831
125b6a919484
132b96033666
1416bd4c084c
15c01cc8ac1
hex72a61dc64

30775827556 has 12 divisors (see below), whose sum is σ = 53893071792. Its totient is φ = 15377807048.

The previous prime is 30775827553. The next prime is 30775827559. The reversal of 30775827556 is 65572857703.

It is an interprime number because it is at equal distance from previous prime (30775827553) and next prime (30775827559).

It is a junction number, because it is equal to n+sod(n) for n = 30775827497 and 30775827506.

It is not an unprimeable number, because it can be changed into a prime (30775827553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519830 + ... + 2532013.

It is an arithmetic number, because the mean of its divisors is an integer number (4491089316).

Almost surely, 230775827556 is an apocalyptic number.

It is an amenable number.

30775827556 is a deficient number, since it is larger than the sum of its proper divisors (23117244236).

30775827556 is a wasteful number, since it uses less digits than its factorization.

30775827556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053370 (or 5053368 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 55.

The spelling of 30775827556 in words is "thirty billion, seven hundred seventy-five million, eight hundred twenty-seven thousand, five hundred fifty-six".

Divisors: 1 2 4 1523 3046 6092 5051843 10103686 20207372 7693956889 15387913778 30775827556