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766425121 = 72113145869
BaseRepresentation
bin101101101011101…
…011100000100001
31222102011102121121
4231223223200201
53032201100441
6204015052241
724664335400
oct5553534041
91872142547
10766425121
113636995a0
12194811081
13c2a289b7
1473b09637
1547443dd1
hex2daeb821

766425121 has 24 divisors (see below), whose sum is σ = 1004002560. Its totient is φ = 577936800.

The previous prime is 766425091. The next prime is 766425131. The reversal of 766425121 is 121524667.

766425121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 766425121 - 227 = 632207393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (766425131) 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, 6226 + ... + 39643.

It is an arithmetic number, because the mean of its divisors is an integer number (41833440).

Almost surely, 2766425121 is an apocalyptic number.

It is an amenable number.

766425121 is a deficient number, since it is larger than the sum of its proper divisors (237577439).

766425121 is a wasteful number, since it uses less digits than its factorization.

766425121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45925 (or 45918 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 766425121 is about 27684.3840639448. The cubic root of 766425121 is about 915.1449981724.

Adding to 766425121 its reverse (121524667), we get a palindrome (887949788).

The spelling of 766425121 in words is "seven hundred sixty-six million, four hundred twenty-five thousand, one hundred twenty-one".

Divisors: 1 7 11 31 49 77 217 341 539 1519 2387 16709 45869 321083 504559 1421939 2247581 3531913 9953573 15641329 24723391 69675011 109489303 766425121