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2225130020525 = 52181491741441
BaseRepresentation
bin100000011000010100000…
…101011001111010101101
321212201110010200211220102
4200120110011121322231
5242424031241124100
64422113254400445
7316521540051026
oct40302405317255
97781403624812
102225130020525
11788743984395
122bb2b3660125
13131aa1011979
14799a82c1c4d
153cd32758cd5
hex20614159ead

2225130020525 has 12 divisors (see below), whose sum is σ = 2774405215764. Its totient is φ = 1770269184000.

The previous prime is 2225130020419. The next prime is 2225130020539. The reversal of 2225130020525 is 5250200315222.

It can be written as a sum of positive squares in 6 ways, for example, as 19605040324 + 2205524980201 = 140018^2 + 1485101^2 .

It is not a de Polignac number, because 2225130020525 - 218 = 2225129758381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245866196 + ... + 245875245.

It is an arithmetic number, because the mean of its divisors is an integer number (231200434647).

Almost surely, 22225130020525 is an apocalyptic number.

2225130020525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2225130020525 is a deficient number, since it is larger than the sum of its proper divisors (549275195239).

2225130020525 is a wasteful number, since it uses less digits than its factorization.

2225130020525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491741632 (or 491741627 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 2225130020525 its reverse (5250200315222), we get a palindrome (7475330335747).

The spelling of 2225130020525 in words is "two trillion, two hundred twenty-five billion, one hundred thirty million, twenty thousand, five hundred twenty-five".

Divisors: 1 5 25 181 905 4525 491741441 2458707205 12293536025 89005200821 445026004105 2225130020525