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30738895871 = 109811347729
BaseRepresentation
bin11100101000001011…
…100101001111111111
32221100020122200221212
4130220023211033333
51000423124131441
622042105115035
72135511206135
oct345013451777
987306580855
1030738895871
111204433a482
125b5a488a7b
132b8b4a25a8
1416b8629755
15bed930eeb
hex7282e53ff

30738895871 has 8 divisors (see below), whose sum is σ = 31059243600. Its totient is φ = 30419245440.

The previous prime is 30738895861. The next prime is 30738895903. The reversal of 30738895871 is 17859883703.

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 30738895871 - 222 = 30734701567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30738895871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30738895841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85466 + ... + 262263.

It is an arithmetic number, because the mean of its divisors is an integer number (3882405450).

Almost surely, 230738895871 is an apocalyptic number.

30738895871 is a deficient number, since it is larger than the sum of its proper divisors (320347729).

30738895871 is a wasteful number, since it uses less digits than its factorization.

30738895871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348649.

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 30738895871 in words is "thirty billion, seven hundred thirty-eight million, eight hundred ninety-five thousand, eight hundred seventy-one".

Divisors: 1 109 811 88399 347729 37902461 282008219 30738895871