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2047427889 = 31374370657
BaseRepresentation
bin111101000001001…
…0100010100110001
312021200121010001120
41322002110110301
513143120143024
6535055252453
7101510564343
oct17202242461
95250533046
102047427889
119607a0971
1249181a129
13268241ac0
14155cc3293
15beb30479
hex7a094531

2047427889 has 16 divisors (see below), whose sum is σ = 2943894912. Its totient is φ = 1258242048.

The previous prime is 2047427867. The next prime is 2047427917. The reversal of 2047427889 is 9887247402.

It is not a de Polignac number, because 2047427889 - 28 = 2047427633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2047427089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6352 + ... + 64305.

It is an arithmetic number, because the mean of its divisors is an integer number (183993432).

Almost surely, 22047427889 is an apocalyptic number.

It is an amenable number.

2047427889 is a deficient number, since it is larger than the sum of its proper divisors (896467023).

2047427889 is a wasteful number, since it uses less digits than its factorization.

2047427889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71416.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 2047427889 is about 45248.5125611881. The cubic root of 2047427889 is about 1269.8025793112.

The spelling of 2047427889 in words is "two billion, forty-seven million, four hundred twenty-seven thousand, eight hundred eighty-nine".

Divisors: 1 3 13 39 743 2229 9659 28977 70657 211971 918541 2755623 52498151 157494453 682475963 2047427889