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30834060655 = 521977280603
BaseRepresentation
bin11100101101110110…
…100110110101101111
32221120212201120111111
4130231312212311233
51001122004420110
622055344532451
72141045122366
oct345566466557
987525646444
1030834060655
1112093029162
125b86321127
132ba5112308
1416c711c7dd
15c06e7ce8a
hex72dda6d6f

30834060655 has 8 divisors (see below), whose sum is σ = 37002688272. Its totient is φ = 24666038208.

The previous prime is 30834060617. The next prime is 30834060661. The reversal of 30834060655 is 55606043803.

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 30834060655 - 213 = 30834052463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30417 + ... + 250186.

It is an arithmetic number, because the mean of its divisors is an integer number (4625336034).

Almost surely, 230834060655 is an apocalyptic number.

30834060655 is a deficient number, since it is larger than the sum of its proper divisors (6168627617).

30834060655 is a wasteful number, since it uses less digits than its factorization.

30834060655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302585.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 30834060655 in words is "thirty billion, eight hundred thirty-four million, sixty thousand, six hundred fifty-five".

Divisors: 1 5 21977 109885 280603 1403015 6166812131 30834060655