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4987338565225 = 524466472
BaseRepresentation
bin100100010010011010010…
…0010110010011001101001
3122122210012012101121010111
41020210310202302121221
51123203032133041400
614335052434014321
71023215620225132
oct110446442623151
918583165347114
104987338565225
111653133667185
126866b57173a1
132a23c4ba3b23
14133561d8cc89
1589aead9a3ba
hex489348b2669

4987338565225 has 9 divisors (see below), whose sum is σ = 6184313666967. Its totient is φ = 3989861919240.

The previous prime is 4987338565193. The next prime is 4987338565247. The reversal of 4987338565225 is 5225658337894.

The square root of 4987338565225 is 2233235.

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

It can be written as a sum of positive squares in only one way, i.e., 1795441883481 + 3191896681744 = 1339941^2 + 1786588^2 .

It is not a de Polignac number, because 4987338565225 - 25 = 4987338565193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10942852 + ... + 11389498.

Almost surely, 24987338565225 is an apocalyptic number.

4987338565225 is the 2233235-th square number.

4987338565225 is the 1116618-th centered octagonal number.

It is an amenable number.

4987338565225 is a deficient number, since it is larger than the sum of its proper divisors (1196975101742).

4987338565225 is an frugal number, since it uses more digits than its factorization.

4987338565225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893304 (or 446652 counting only the distinct ones).

The product of its digits is 435456000, while the sum is 67.

The spelling of 4987338565225 in words is "four trillion, nine hundred eighty-seven billion, three hundred thirty-eight million, five hundred sixty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 446647 2233235 11166175 199493542609 997467713045 4987338565225