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30102521745 = 352006834783
BaseRepresentation
bin11100000010010000…
…000000011110010001
32212200220012112202210
4130002100000132101
5443122221143440
621455013302333
72113653133032
oct340220003621
985626175683
1030102521745
11118480a814a
125a013349a9
132ab96ac65a
141657cd4a89
15bb2b2aa80
hex702400791

30102521745 has 8 divisors (see below), whose sum is σ = 48164034816. Its totient is φ = 16054678256.

The previous prime is 30102521737. The next prime is 30102521773. The reversal of 30102521745 is 54712520103.

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 30102521745 - 23 = 30102521737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003417377 + ... + 1003417406.

It is an arithmetic number, because the mean of its divisors is an integer number (6020504352).

Almost surely, 230102521745 is an apocalyptic number.

It is an amenable number.

30102521745 is a deficient number, since it is larger than the sum of its proper divisors (18061513071).

30102521745 is a wasteful number, since it uses less digits than its factorization.

30102521745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006834791.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 30102521745 in words is "thirty billion, one hundred two million, five hundred twenty-one thousand, seven hundred forty-five".

Divisors: 1 3 5 15 2006834783 6020504349 10034173915 30102521745