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1828193813 = 19412346847
BaseRepresentation
bin110110011111000…
…0000011000010101
311201102001212102222
41230332000120111
512221004200223
6501224312125
763206251055
oct15476003025
94642055388
101828193813
11858a71086
12430312645
132319b1bb4
14134b35565
15aa7770c8
hex6cf80615

1828193813 has 8 divisors (see below), whose sum is σ = 1971352320. Its totient is φ = 1689729120.

The previous prime is 1828193779. The next prime is 1828193831. The reversal of 1828193813 is 3183918281.

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 1828193813 - 228 = 1559758357 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 (1828193113) 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, 1172645 + ... + 1174202.

It is an arithmetic number, because the mean of its divisors is an integer number (246419040).

Almost surely, 21828193813 is an apocalyptic number.

It is an amenable number.

1828193813 is a deficient number, since it is larger than the sum of its proper divisors (143158507).

1828193813 is a wasteful number, since it uses less digits than its factorization.

1828193813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346907.

The product of its digits is 82944, while the sum is 44.

The square root of 1828193813 is about 42757.3831402250. The cubic root of 1828193813 is about 1222.7586533170.

The spelling of 1828193813 in words is "one billion, eight hundred twenty-eight million, one hundred ninety-three thousand, eight hundred thirteen".

Divisors: 1 19 41 779 2346847 44590093 96220727 1828193813