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21992096343 = 374324354481
BaseRepresentation
bin10100011110110101…
…001100001001010111
32002202200000020200210
4110132311030021113
5330014434040333
614034130540503
71405661506650
oct243665141127
962680006623
1021992096343
119365a68538
124319137733
1320c6315679
1410c8ac4527
1588aabba63
hex51ed4c257

21992096343 has 16 divisors (see below), whose sum is σ = 34291110656. Its totient is φ = 12274657920.

The previous prime is 21992096317. The next prime is 21992096363. The reversal of 21992096343 is 34369029912.

It is not a de Polignac number, because 21992096343 - 26 = 21992096279 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21992096292 and 21992096301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21992096303) 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, 12176338 + ... + 12178143.

It is an arithmetic number, because the mean of its divisors is an integer number (2143194416).

Almost surely, 221992096343 is an apocalyptic number.

21992096343 is a deficient number, since it is larger than the sum of its proper divisors (12299014313).

21992096343 is a wasteful number, since it uses less digits than its factorization.

21992096343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24354534.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 21992096343 in words is "twenty-one billion, nine hundred ninety-two million, ninety-six thousand, three hundred forty-three".

Divisors: 1 3 7 21 43 129 301 903 24354481 73063443 170481367 511444101 1047242683 3141728049 7330698781 21992096343