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797920502189 = 8910518530351
BaseRepresentation
bin10111001110001111100…
…01001010000110101101
32211021120110012022021012
423213013301022012231
5101033120122032224
61410320513315005
7111435133235126
oct13470761120655
92737513168235
10797920502189
1128843a35a268
1210a785b65a65
135a3221b96b5
142a8960d504d
1515b5097980e
hexb9c7c4a1ad

797920502189 has 8 divisors (see below), whose sum is σ = 807653727360. Its totient is φ = 788204340000.

The previous prime is 797920502177. The next prime is 797920502213. The reversal of 797920502189 is 981205029797.

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

It is a cyclic number.

It is not a de Polignac number, because 797920502189 - 216 = 797920436653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797920502389) 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, 4171637 + ... + 4358714.

It is an arithmetic number, because the mean of its divisors is an integer number (100956715920).

Almost surely, 2797920502189 is an apocalyptic number.

It is an amenable number.

797920502189 is a deficient number, since it is larger than the sum of its proper divisors (9733225171).

797920502189 is a wasteful number, since it uses less digits than its factorization.

797920502189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8531491.

The product of its (nonzero) digits is 5715360, while the sum is 59.

The spelling of 797920502189 in words is "seven hundred ninety-seven billion, nine hundred twenty million, five hundred two thousand, one hundred eighty-nine".

Divisors: 1 89 1051 93539 8530351 759201239 8965398901 797920502189