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20869708193 = 414311837611
BaseRepresentation
bin10011011011111011…
…100111100110100001
31222212110001000121022
4103123323213212201
5320220121130233
613330514135225
71336112410205
oct233373474641
958773030538
1020869708193
11893a451724
124065281515
131c77926579
14101d9d8b05
158222b2398
hex4dbee79a1

20869708193 has 8 divisors (see below), whose sum is σ = 21875906976. Its totient is φ = 19887184800.

The previous prime is 20869708169. The next prime is 20869708199. The reversal of 20869708193 is 39180796802.

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 20869708193 - 214 = 20869691809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20869708199) 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, 5917043 + ... + 5920568.

It is an arithmetic number, because the mean of its divisors is an integer number (2734488372).

Almost surely, 220869708193 is an apocalyptic number.

It is an amenable number.

20869708193 is a deficient number, since it is larger than the sum of its proper divisors (1006198783).

20869708193 is a wasteful number, since it uses less digits than its factorization.

20869708193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11837695.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 20869708193 in words is "twenty billion, eight hundred sixty-nine million, seven hundred eight thousand, one hundred ninety-three".

Divisors: 1 41 43 1763 11837611 485342051 509017273 20869708193