Search a number
-
+
1648932460973 = 72151222858827
BaseRepresentation
bin10111111111101100000…
…010001001100110101101
312211122011221100001100122
4113333230002021212231
5204004003202222343
63301301545134325
7230063040442100
oct27775402114655
95748157301318
101648932460973
11586343428686
122276a818a3a5
13bc65576c265
1459b4732c737
152cd5c3a6068
hex17fec0899ad

1648932460973 has 12 divisors (see below), whose sum is σ = 1930848885792. Its totient is φ = 1404010603800.

The previous prime is 1648932460961. The next prime is 1648932460997. The reversal of 1648932460973 is 3790642398461.

It is not a de Polignac number, because 1648932460973 - 214 = 1648932444589 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 (1648932460913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111422015 + ... + 111436812.

It is an arithmetic number, because the mean of its divisors is an integer number (160904073816).

Almost surely, 21648932460973 is an apocalyptic number.

It is an amenable number.

1648932460973 is a deficient number, since it is larger than the sum of its proper divisors (281916424819).

1648932460973 is a wasteful number, since it uses less digits than its factorization.

1648932460973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222858992 (or 222858985 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 1648932460973 in words is "one trillion, six hundred forty-eight billion, nine hundred thirty-two million, four hundred sixty thousand, nine hundred seventy-three".

Divisors: 1 7 49 151 1057 7399 222858827 1560011789 10920082523 33651682877 235561780139 1648932460973