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2148938744683 = 4751452312933
BaseRepresentation
bin11111010001010110101…
…110110000001101101011
321121102210020101000020011
4133101112232300031223
5240202011304312213
64323113035112351
7311153463642343
oct37212656601553
97542706330204
102148938744683
117593a5998125
122a858b2a26b7
1312784acaa1b3
147601b309d23
153ad7382b03d
hex1f456bb036b

2148938744683 has 4 divisors (see below), whose sum is σ = 2149391062368. Its totient is φ = 2148486427000.

The previous prime is 2148938744653. The next prime is 2148938744717. The reversal of 2148938744683 is 3864478398412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2148938744683 - 25 = 2148938744651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148938744653) 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 3 ways as a sum of consecutive naturals, for example, 226151716 + ... + 226161217.

It is an arithmetic number, because the mean of its divisors is an integer number (537347765592).

Almost surely, 22148938744683 is an apocalyptic number.

2148938744683 is a deficient number, since it is larger than the sum of its proper divisors (452317685).

2148938744683 is an equidigital number, since it uses as much as digits as its factorization.

2148938744683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452317684.

The product of its digits is 222953472, while the sum is 67.

The spelling of 2148938744683 in words is "two trillion, one hundred forty-eight billion, nine hundred thirty-eight million, seven hundred forty-four thousand, six hundred eighty-three".

Divisors: 1 4751 452312933 2148938744683