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30550631011001 = 202971505179633
BaseRepresentation
bin1101111001001000111111…
…00000100101001010111001
311000011121112000002022201022
412330210133200211022321
513001020143014323001
6144550433252432225
76302132054636543
oct674443740451271
9130147460068638
1030550631011001
1198094a48304a2
123514b00618675
131407bb1c9281a
14778930a3a693
1537ea5a89811b
hex1bc91f8252b9

30550631011001 has 4 divisors (see below), whose sum is σ = 30552136210932. Its totient is φ = 30549125811072.

The previous prime is 30550631010961. The next prime is 30550631011003. The reversal of 30550631011001 is 10011013605503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6123076015225 + 24427554995776 = 2474485^2 + 4942424^2 .

It is a cyclic number.

It is not a de Polignac number, because 30550631011001 - 226 = 30550563902137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30550631011003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 752569520 + ... + 752610113.

It is an arithmetic number, because the mean of its divisors is an integer number (7638034052733).

Almost surely, 230550631011001 is an apocalyptic number.

It is an amenable number.

30550631011001 is a deficient number, since it is larger than the sum of its proper divisors (1505199931).

30550631011001 is a wasteful number, since it uses less digits than its factorization.

30550631011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505199930.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 30550631011001 its reverse (10011013605503), we get a palindrome (40561644616504).

The spelling of 30550631011001 in words is "thirty trillion, five hundred fifty billion, six hundred thirty-one million, eleven thousand, one".

Divisors: 1 20297 1505179633 30550631011001