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2048989807 = 6073375601
BaseRepresentation
bin111101000100001…
…0001101001101111
312021210112110121101
41322020101221233
513144020133212
6535152543531
7101530061134
oct17210215157
95253473541
102048989807
11961668407
12492251ba7
1326866aa07
141561ac58b
15bed3d157
hex7a211a6f

2048989807 has 4 divisors (see below), whose sum is σ = 2052366016. Its totient is φ = 2045613600.

The previous prime is 2048989793. The next prime is 2048989829. The reversal of 2048989807 is 7089898402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7089898402 = 23544949201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2048989807 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 (2048989897) 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, 1687194 + ... + 1688407.

It is an arithmetic number, because the mean of its divisors is an integer number (513091504).

Almost surely, 22048989807 is an apocalyptic number.

2048989807 is a deficient number, since it is larger than the sum of its proper divisors (3376209).

2048989807 is an equidigital number, since it uses as much as digits as its factorization.

2048989807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376208.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The square root of 2048989807 is about 45265.7686005661. The cubic root of 2048989807 is about 1270.1253946494.

The spelling of 2048989807 in words is "two billion, forty-eight million, nine hundred eighty-nine thousand, eight hundred seven".

Divisors: 1 607 3375601 2048989807