Search a number
-
+
725002863841 = 8514712
BaseRepresentation
bin10101000110011011000…
…10011100010011100001
32120022100200210111000001
422203031202130103201
543334301213120331
61313021155300001
7103244150443204
oct12431542342341
92508320714001
10725002863841
1125a521241333
12b8615baa601
13534a1466b29
1427139bd593b
1513cd4143561
hexa8cd89c4e1

725002863841 has 3 divisors (see below), whose sum is σ = 725003715313. Its totient is φ = 725002012370.

The previous prime is 725002863833. The next prime is 725002863857. The reversal of 725002863841 is 148368200527.

The square root of 725002863841 is 851471.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 725002863841 - 23 = 725002863833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725002863791 and 725002863800.

It is not an unprimeable number, because it can be changed into a prime (725002863041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 425736 + ... + 1277206.

Almost surely, 2725002863841 is an apocalyptic number.

725002863841 is the 851471-st square number.

725002863841 is the 425736-th centered octagonal number.

It is an amenable number.

725002863841 is a deficient number, since it is larger than the sum of its proper divisors (851472).

725002863841 is an frugal number, since it uses more digits than its factorization.

725002863841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702942 (or 851471 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 725002863841 in words is "seven hundred twenty-five billion, two million, eight hundred sixty-three thousand, eight hundred forty-one".

Divisors: 1 851471 725002863841