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196783143790613 = 1973443320263693
BaseRepresentation
bin101100101111100100100101…
…011000100010100000010101
3221210202021200122010221100112
4230233210211120202200111
5201243043334302244423
61534304532300452405
756310053514561002
oct5457444530424025
9853667618127315
10196783143790613
11577792985a8916
121a0a1a8484a105
1385a5756183223
1436844d80ba8a9
1517b3bab653a78
hexb2f925622815

196783143790613 has 16 divisors (see below), whose sum is σ = 210451678601280. Its totient is φ = 183457291215744.

The previous prime is 196783143790561. The next prime is 196783143790633. The reversal of 196783143790613 is 316097341387691.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-196783143790613 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 (196783143790633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159517406 + ... + 160746287.

It is an arithmetic number, because the mean of its divisors is an integer number (13153229912580).

Almost surely, 2196783143790613 is an apocalyptic number.

It is an amenable number.

196783143790613 is a deficient number, since it is larger than the sum of its proper divisors (13668534810667).

196783143790613 is a wasteful number, since it uses less digits than its factorization.

196783143790613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320264228.

The product of its (nonzero) digits is 123451776, while the sum is 68.

The spelling of 196783143790613 in words is "one hundred ninety-six trillion, seven hundred eighty-three billion, one hundred forty-three million, seven hundred ninety thousand, six hundred thirteen".

Divisors: 1 19 73 443 1387 8417 32339 614441 320263693 6085010167 23379249589 141876815999 444205742191 2695659503981 10357007567927 196783143790613