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708871383025 = 52132129532
BaseRepresentation
bin10100101000011000000…
…01101110011111110001
32111202201110120100102121
422110030001232133301
543103232033224100
61301352341514241
7102133331223661
oct12241401563761
92452643510377
10708871383025
112536a3463003
12b5473712981
1351b00397100
14264495da1a1
151368cd2a51a
hexa50c06e7f1

708871383025 has 27 divisors (see below), whose sum is σ = 951890613699. Its totient is φ = 523433838720.

The previous prime is 708871382981. The next prime is 708871383029. The reversal of 708871383025 is 520383178807.

It is a happy number.

The square root of 708871383025 is 841945.

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

It can be written as a sum of positive squares in 13 ways, for example, as 674932900849 + 33938482176 = 821543^2 + 184224^2 .

It is not a de Polignac number, because 708871383025 - 211 = 708871380977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (708871383029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 54719949 + ... + 54732901.

Almost surely, 2708871383025 is an apocalyptic number.

708871383025 is the 841945-th square number.

708871383025 is the 420973-rd centered octagonal number.

It is an amenable number.

708871383025 is a deficient number, since it is larger than the sum of its proper divisors (243019230674).

708871383025 is an frugal number, since it uses more digits than its factorization.

708871383025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25942 (or 12971 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 708871383025 in words is "seven hundred eight billion, eight hundred seventy-one million, three hundred eighty-three thousand, twenty-five".

Divisors: 1 5 13 25 65 169 325 845 4225 12953 64765 168389 323825 841945 2189057 4209725 10945285 54726425 167780209 838901045 2181142717 4194505225 10905713585 28354855321 54528567925 141774276605 708871383025