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10193696661 = 34772295721
BaseRepresentation
bin10010111111001011…
…10111011110010101
3222022102020102222210
421133211313132111
5131334041243121
64403302144033
7510415664151
oct113745673625
928272212883
1010193696661
1143610921a5
121b85a22019
13c65b78695
146c9b84061
153e9dbe876
hex25f977795

10193696661 has 8 divisors (see below), whose sum is σ = 13880778624. Its totient is φ = 6651206240.

The previous prime is 10193696609. The next prime is 10193696693. The reversal of 10193696661 is 16669639101.

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 10193696661 - 213 = 10193688469 is a prime.

It is a super-2 number, since 2×101936966612 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10193696661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10193692661) 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, 36147720 + ... + 36148001.

It is an arithmetic number, because the mean of its divisors is an integer number (1735097328).

Almost surely, 210193696661 is an apocalyptic number.

It is an amenable number.

10193696661 is a deficient number, since it is larger than the sum of its proper divisors (3687081963).

10193696661 is an equidigital number, since it uses as much as digits as its factorization.

10193696661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72295771.

The product of its (nonzero) digits is 314928, while the sum is 48.

The spelling of 10193696661 in words is "ten billion, one hundred ninety-three million, six hundred ninety-six thousand, six hundred sixty-one".

Divisors: 1 3 47 141 72295721 216887163 3397898887 10193696661