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2193073443 = 3211211104987
BaseRepresentation
bin1000001010110111…
…1010010100100011
312122211122200012100
42002231322110203
513442411322233
61001341101443
7105226550061
oct20255722443
95584580170
102193073443
11a25a295a0
12512557883
1328c4779c2
1416b397031
15cc7ee813
hex82b7a523

2193073443 has 24 divisors (see below), whose sum is σ = 3472163136. Its totient is φ = 1322823600.

The previous prime is 2193073429. The next prime is 2193073447. The reversal of 2193073443 is 3443703912.

2193073443 is a `hidden beast` number, since 2 + 1 + 9 + 307 + 344 + 3 = 666.

It is not a de Polignac number, because 2193073443 - 214 = 2193057059 is a prime.

It is a super-2 number, since 2×21930734432 = 9619142252783748498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2193073398 and 2193073407.

It is not an unprimeable number, because it can be changed into a prime (2193073447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31605 + ... + 73382.

It is an arithmetic number, because the mean of its divisors is an integer number (144673464).

Almost surely, 22193073443 is an apocalyptic number.

2193073443 is a deficient number, since it is larger than the sum of its proper divisors (1279089693).

2193073443 is a wasteful number, since it uses less digits than its factorization.

2193073443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105215 (or 105212 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 2193073443 is about 46830.2620428287. The cubic root of 2193073443 is about 1299.2250693189.

The spelling of 2193073443 in words is "two billion, one hundred ninety-three million, seventy-three thousand, four hundred forty-three".

Divisors: 1 3 9 11 33 99 211 633 1899 2321 6963 20889 104987 314961 944883 1154857 3464571 10393713 22152257 66456771 199370313 243674827 731024481 2193073443