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30370609061 = 132543918679
BaseRepresentation
bin11100010010001110…
…101011011110100101
32220101120122210102122
4130102032223132211
5444144333442221
621541351315325
72123416626512
oct342216533645
986346583378
1030370609061
1111975465111
125a7707bb45
132b300b59c0
14168175c309
15bcb433eab
hex7123ab7a5

30370609061 has 8 divisors (see below), whose sum is σ = 32719706880. Its totient is φ = 28023353712.

The previous prime is 30370609051. The next prime is 30370609079. The reversal of 30370609061 is 16090607303.

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 30370609061 - 26 = 30370608997 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 (30370609051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426281 + ... + 492398.

It is an arithmetic number, because the mean of its divisors is an integer number (4089963360).

Almost surely, 230370609061 is an apocalyptic number.

It is an amenable number.

30370609061 is a deficient number, since it is larger than the sum of its proper divisors (2349097819).

30370609061 is a wasteful number, since it uses less digits than its factorization.

30370609061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921235.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 30370609061 in words is "thirty billion, three hundred seventy million, six hundred nine thousand, sixty-one".

Divisors: 1 13 2543 33059 918679 11942827 2336200697 30370609061