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7641425445 = 353116433173
BaseRepresentation
bin1110001110111011…
…01110011000100101
3201201112200122002020
413013131232120211
5111122201103240
63302130133353
7360235021203
oct70735563045
921645618066
107641425445
113271427045
121593121259
1394a177124
14526c08073
152eacbb0d0
hex1c776e625

7641425445 has 16 divisors (see below), whose sum is σ = 12620677632. Its totient is φ = 3943961280.

The previous prime is 7641425443. The next prime is 7641425497. The reversal of 7641425445 is 5445241467.

It is not a de Polignac number, because 7641425445 - 21 = 7641425443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7641425397 and 7641425406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7641425443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8216122 + ... + 8217051.

It is an arithmetic number, because the mean of its divisors is an integer number (788792352).

Almost surely, 27641425445 is an apocalyptic number.

It is an amenable number.

7641425445 is a deficient number, since it is larger than the sum of its proper divisors (4979252187).

7641425445 is a wasteful number, since it uses less digits than its factorization.

7641425445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433212.

The product of its digits is 537600, while the sum is 42.

The square root of 7641425445 is about 87415.2472112274. The cubic root of 7641425445 is about 1969.6608832477.

The spelling of 7641425445 in words is "seven billion, six hundred forty-one million, four hundred twenty-five thousand, four hundred forty-five".

Divisors: 1 3 5 15 31 93 155 465 16433173 49299519 82165865 246497595 509428363 1528285089 2547141815 7641425445