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5147448902401 = 13219928772
BaseRepresentation
bin100101011100111101111…
…0111010000001100000001
3200020002110120020110021111
41022321323313100030001
51133313433404334101
614540412210123321
71040614403516101
oct112717367201401
920202416213244
105147448902401
111705025791293
126b173a280541
132b452cc63400
1413b1d03c5201
158dd6c380251
hex4ae7bdd0301

5147448902401 has 27 divisors (see below), whose sum is σ = 5608409895081. Its totient is φ = 4722223787424.

The previous prime is 5147448902383. The next prime is 5147448902447. The reversal of 5147448902401 is 1042098447415.

The square root of 5147448902401 is 2268799.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 902942401 + 5146545960000 = 30049^2 + 2268600^2 .

It is not a de Polignac number, because 5147448902401 - 229 = 5146912031489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5147448942401) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5869382575 + ... + 5869383451.

It is an arithmetic number, because the mean of its divisors is an integer number (207718885003).

Almost surely, 25147448902401 is an apocalyptic number.

5147448902401 is the 2268799-th square number.

5147448902401 is the 1134400-th centered octagonal number.

It is an amenable number.

5147448902401 is a deficient number, since it is larger than the sum of its proper divisors (460960992680).

5147448902401 is an frugal number, since it uses more digits than its factorization.

5147448902401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

Multiplying 5147448902401 by its sum of digits (49), we get a square (252224996217649 = 158815932).

The spelling of 5147448902401 in words is "five trillion, one hundred forty-seven billion, four hundred forty-eight million, nine hundred two thousand, four hundred one".

Divisors: 1 13 169 199 877 2587 11401 33631 39601 148213 174523 514813 769129 2268799 6692569 9998677 29494387 34730077 129982801 153056671 451491001 1989736723 5869383013 25866577399 30458277529 395957607877 5147448902401