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1980652593 = 3679853993
BaseRepresentation
bin111011000001110…
…0101110000110001
312010000221120120110
41312003211300301
513024021340333
6524312131533
7100040161233
oct16603456061
95100846513
101980652593
11927032677
12473396ba9
13257461caa
1414b0a0253
15b8d40063
hex760e5c31

1980652593 has 8 divisors (see below), whose sum is σ = 2680286368. Its totient is φ = 1300726944.

The previous prime is 1980652573. The next prime is 1980652601. The reversal of 1980652593 is 3952560891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1980652593 - 213 = 1980644401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1980652523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4926796 + ... + 4927197.

It is an arithmetic number, because the mean of its divisors is an integer number (335035796).

Almost surely, 21980652593 is an apocalyptic number.

It is an amenable number.

1980652593 is a deficient number, since it is larger than the sum of its proper divisors (699633775).

1980652593 is an equidigital number, since it uses as much as digits as its factorization.

1980652593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9854063.

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 1980652593 is about 44504.5232869649. The cubic root of 1980652593 is about 1255.8451776874.

The spelling of 1980652593 in words is "one billion, nine hundred eighty million, six hundred fifty-two thousand, five hundred ninety-three".

Divisors: 1 3 67 201 9853993 29561979 660217531 1980652593