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52725452725 = 52111789107171
BaseRepresentation
bin110001000110101011…
…101000111110110101
312001002112020111220101
4301012223220332311
51330440203441400
640115521234101
73544404645031
oct610653507665
9161075214811
1052725452725
11203a7164020
12a275792931
134c835c874a
1427a26ab1c1
151588ca656a
hexc46ae8fb5

52725452725 has 24 divisors (see below), whose sum is σ = 71363691360. Its totient is φ = 38323992000.

The previous prime is 52725452699. The next prime is 52725452729.

It is a happy number.

52725452725 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52725452725 - 27 = 52725452597 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52725452729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438390 + ... + 545560.

It is an arithmetic number, because the mean of its divisors is an integer number (2973487140).

Almost surely, 252725452725 is an apocalyptic number.

52725452725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52725452725 is a deficient number, since it is larger than the sum of its proper divisors (18638238635).

52725452725 is a wasteful number, since it uses less digits than its factorization.

52725452725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108981 (or 108976 counting only the distinct ones).

The product of its digits is 1960000, while the sum is 46.

The spelling of 52725452725 in words is "fifty-two billion, seven hundred twenty-five million, four hundred fifty-two thousand, seven hundred twenty-five".

Divisors: 1 5 11 25 55 275 1789 8945 19679 44725 98395 107171 491975 535855 1178881 2679275 5894405 29472025 191728919 958644595 2109018109 4793222975 10545090545 52725452725