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30230055028 = 2210159743923
BaseRepresentation
bin11100001001110110…
…100000100001110100
32220000210011220112201
4130021312200201310
5443402343230103
621515410554244
72120062141135
oct341166404164
986023156481
1030230055028
1111903094858
125a37b98984
132b09c43434
14166ac11c8c
15bbde1d51d
hex709da0874

30230055028 has 12 divisors (see below), whose sum is σ = 52907874880. Its totient is φ = 15113519352.

The previous prime is 30230055019. The next prime is 30230055029. The reversal of 30230055028 is 82055003203.

It is a junction number, because it is equal to n+sod(n) for n = 30230054987 and 30230055005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230055029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331326 + ... + 412597.

Almost surely, 230230055028 is an apocalyptic number.

It is an amenable number.

30230055028 is a deficient number, since it is larger than the sum of its proper divisors (22677819852).

30230055028 is a wasteful number, since it uses less digits than its factorization.

30230055028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754086 (or 754084 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 30230055028 in words is "thirty billion, two hundred thirty million, fifty-five thousand, twenty-eight".

Divisors: 1 2 4 10159 20318 40636 743923 1487846 2975692 7557513757 15115027514 30230055028