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30820012059 = 354118989533
BaseRepresentation
bin11100101101000001…
…000001000000011011
32221112220021211110010
4130231001001000123
51001104410341214
622054123453003
72140514531364
oct345501010033
987486254403
1030820012059
1112086103251
125b81687163
132ba2233a35
1416c5302b6b
15c05b05659
hex72d04101b

30820012059 has 8 divisors (see below), whose sum is σ = 41169309712. Its totient is φ = 20508694560.

The previous prime is 30820012057. The next prime is 30820012103. The reversal of 30820012059 is 95021002803.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30820012059 - 21 = 30820012057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30820012057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9493144 + ... + 9496389.

It is an arithmetic number, because the mean of its divisors is an integer number (5146163714).

Almost surely, 230820012059 is an apocalyptic number.

30820012059 is a deficient number, since it is larger than the sum of its proper divisors (10349297653).

30820012059 is a wasteful number, since it uses less digits than its factorization.

30820012059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18990077.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 30820012059 in words is "thirty billion, eight hundred twenty million, twelve thousand, fifty-nine".

Divisors: 1 3 541 1623 18989533 56968599 10273337353 30820012059