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480880183156661 = 1409355979587657
BaseRepresentation
bin110110101010110111010010…
…0011111110001111110110101
32100001122200210210000021110102
41231111232210133301332311
51001012220103342003121
64422425150103203445
7203201306140333031
oct15525564437617665
92301580723007412
10480880183156661
1112a25015a964952
1245b25974446585
1317842a643cc062
1486a6a217791c1
153a8dbe545690b
hex1b55ba47f1fb5

480880183156661 has 8 divisors (see below), whose sum is σ = 481235043772440. Its totient is φ = 480525341790208.

The previous prime is 480880183156657. The next prime is 480880183156687. The reversal of 480880183156661 is 166651381088084.

It can be written as a sum of positive squares in 4 ways, for example, as 2694648100 + 480877488508561 = 51910^2 + 21928919^2 .

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 480880183156661 - 22 = 480880183156657 is a prime.

It is a super-3 number, since 3×4808801831566613 (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480880183156621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45362345 + ... + 54950001.

It is an arithmetic number, because the mean of its divisors is an integer number (60154380471555).

Almost surely, 2480880183156661 is an apocalyptic number.

It is an amenable number.

480880183156661 is a deficient number, since it is larger than the sum of its proper divisors (354860615779).

480880183156661 is a wasteful number, since it uses less digits than its factorization.

480880183156661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9624663.

The product of its (nonzero) digits is 53084160, while the sum is 65.

The spelling of 480880183156661 in words is "four hundred eighty trillion, eight hundred eighty billion, one hundred eighty-three million, one hundred fifty-six thousand, six hundred sixty-one".

Divisors: 1 1409 35597 9587657 50156173 13509008713 341291826229 480880183156661