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2685228191839 = 23994971183033
BaseRepresentation
bin100111000100110100000…
…100101001000001011111
3100111201001011120122101001
4213010310010221001133
5322443321404114324
65413324331131131
7365000313014344
oct47046404510137
910451034518331
102685228191839
11945887346366
123744b95a3aa7
131662a653050b
1493d73db07cb
1549cb02e7e44
hex2713412905f

2685228191839 has 8 divisors (see below), whose sum is σ = 2696749663680. Its totient is φ = 2673709105536.

The previous prime is 2685228191827. The next prime is 2685228191861. The reversal of 2685228191839 is 9381918225862.

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 2685228191839 - 233 = 2676638257247 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 (2685228191819) 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, 1678267 + ... + 2861299.

It is an arithmetic number, because the mean of its divisors is an integer number (337093707960).

Almost surely, 22685228191839 is an apocalyptic number.

2685228191839 is a deficient number, since it is larger than the sum of its proper divisors (11521471841).

2685228191839 is a wasteful number, since it uses less digits than its factorization.

2685228191839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192769.

The product of its digits is 29859840, while the sum is 64.

The spelling of 2685228191839 in words is "two trillion, six hundred eighty-five billion, two hundred twenty-eight million, one hundred ninety-one thousand, eight hundred thirty-nine".

Divisors: 1 239 9497 1183033 2269783 282744887 11235264401 2685228191839