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30545105056 = 251914997563
BaseRepresentation
bin11100011100101000…
…010101000010100000
32220211202000002221021
4130130220111002200
51000024021330211
622010543335224
72130636052264
oct343450250240
986752002837
1030545105056
1111a54a08584
125b055b1514
132b5a2b057b
14169a9c20a4
15bdb901771
hex71ca150a0

30545105056 has 24 divisors (see below), whose sum is σ = 60450534144. Its totient is φ = 15192588480.

The previous prime is 30545105009. The next prime is 30545105077. The reversal of 30545105056 is 65050154503.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2492670 + ... + 2504893.

It is an arithmetic number, because the mean of its divisors is an integer number (2518772256).

Almost surely, 230545105056 is an apocalyptic number.

It is an amenable number.

30545105056 is a deficient number, since it is larger than the sum of its proper divisors (29905429088).

30545105056 is a wasteful number, since it uses less digits than its factorization.

30545105056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997764 (or 4997756 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 30545105056 its reverse (65050154503), we get a palindrome (95595259559).

The spelling of 30545105056 in words is "thirty billion, five hundred forty-five million, one hundred five thousand, fifty-six".

Divisors: 1 2 4 8 16 32 191 382 764 1528 3056 6112 4997563 9995126 19990252 39980504 79961008 159922016 954534533 1909069066 3818138132 7636276264 15272552528 30545105056