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30504492001 = 1931223923131
BaseRepresentation
bin11100011010001101…
…011001101111100001
32220201220120202022001
4130122031121233201
5444433122221001
622002533044001
72126633622004
oct343215315741
986656522261
1030504492001
1111a33a99375
125ab3a86601
132b51a60989
14169544d53b
15bd807d001
hex71a359be1

30504492001 has 16 divisors (see below), whose sum is σ = 33162035200. Its totient is φ = 27953067600.

The previous prime is 30504491993. The next prime is 30504492019. The reversal of 30504492001 is 10029440503.

It is a cyclic number.

It is not a de Polignac number, because 30504492001 - 23 = 30504491993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30504492061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307206 + ... + 1330336.

It is an arithmetic number, because the mean of its divisors is an integer number (2072627200).

Almost surely, 230504492001 is an apocalyptic number.

30504492001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30504492001 is a deficient number, since it is larger than the sum of its proper divisors (2657543199).

30504492001 is a wasteful number, since it uses less digits than its factorization.

30504492001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25420.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 30504492001 in words is "thirty billion, five hundred four million, four hundred ninety-two thousand, one".

Divisors: 1 19 31 589 2239 23131 42541 69409 439489 717061 1318771 13624159 51790309 984015871 1605499579 30504492001