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1301151225 = 352111577153
BaseRepresentation
bin100110110001101…
…1111110111111001
310100200100022221010
41031203133313321
510131043314400
6333040104133
744146413543
oct11543376771
93320308833
101301151225
116085141a0
12303905049
1317974bc8a
14c4b40693
157936b450
hex4d8dfdf9

1301151225 has 24 divisors (see below), whose sum is σ = 2346805152. Its totient is φ = 630860800.

The previous prime is 1301151221. The next prime is 1301151283. The reversal of 1301151225 is 5221511031.

It is not a de Polignac number, because 1301151225 - 22 = 1301151221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1301151221) 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, 787752 + ... + 789401.

It is an arithmetic number, because the mean of its divisors is an integer number (97783548).

Almost surely, 21301151225 is an apocalyptic number.

1301151225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1301151225 is a deficient number, since it is larger than the sum of its proper divisors (1045653927).

1301151225 is a wasteful number, since it uses less digits than its factorization.

1301151225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577177 (or 1577172 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1301151225 is about 36071.4738401413. The cubic root of 1301151225 is about 1091.7149517973.

Adding to 1301151225 its reverse (5221511031), we get a palindrome (6522662256).

The spelling of 1301151225 in words is "one billion, three hundred one million, one hundred fifty-one thousand, two hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 1577153 4731459 7885765 17348683 23657295 39428825 52046049 86743415 118286475 260230245 433717075 1301151225