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481808254001 = 2811714620121
BaseRepresentation
bin1110000001011100000…
…00101000010000110001
31201001122001020021011012
413000232000220100301
530343220403112001
61005201211000305
746544441405114
oct7005600502061
91631561207135
10481808254001
11176374220478
1279464739095
1336585293129
141946916257b
15c7eda012bb
hex702e028431

481808254001 has 4 divisors (see below), whose sum is σ = 483522874404. Its totient is φ = 480093633600.

The previous prime is 481808253977. The next prime is 481808254003. The reversal of 481808254001 is 100452808184.

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 342529267600 + 139278986401 = 585260^2 + 373201^2 .

It is a cyclic number.

It is not a de Polignac number, because 481808254001 - 210 = 481808252977 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 481808254001.

It is not an unprimeable number, because it can be changed into a prime (481808254003) by changing a digit.

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, 857309780 + ... + 857310341.

It is an arithmetic number, because the mean of its divisors is an integer number (120880718601).

Almost surely, 2481808254001 is an apocalyptic number.

It is an amenable number.

481808254001 is a deficient number, since it is larger than the sum of its proper divisors (1714620403).

481808254001 is a wasteful number, since it uses less digits than its factorization.

481808254001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714620402.

The product of its (nonzero) digits is 81920, while the sum is 41.

The spelling of 481808254001 in words is "four hundred eighty-one billion, eight hundred eight million, two hundred fifty-four thousand, one".

Divisors: 1 281 1714620121 481808254001