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2048412857 = 19107811203
BaseRepresentation
bin111101000011000…
…0100110010111001
312021202110011011212
41322012010302321
513143343202412
6535132332505
7101522136101
oct17206046271
95252404155
102048412857
11961303997
12492014135
132684c821a
1415609c201
15bec77222
hex7a184cb9

2048412857 has 4 divisors (see below), whose sum is σ = 2156224080. Its totient is φ = 1940601636.

The previous prime is 2048412851. The next prime is 2048412869. The reversal of 2048412857 is 7582148402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2048412857 - 226 = 1981303993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2048412851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53905583 + ... + 53905620.

It is an arithmetic number, because the mean of its divisors is an integer number (539056020).

Almost surely, 22048412857 is an apocalyptic number.

It is an amenable number.

2048412857 is a deficient number, since it is larger than the sum of its proper divisors (107811223).

2048412857 is a wasteful number, since it uses less digits than its factorization.

2048412857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107811222.

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 2048412857 is about 45259.3952345809. The cubic root of 2048412857 is about 1270.0061704290.

The spelling of 2048412857 in words is "two billion, forty-eight million, four hundred twelve thousand, eight hundred fifty-seven".

Divisors: 1 19 107811203 2048412857