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123382944424 = 2315422868053
BaseRepresentation
bin111001011101000110…
…0100101001010101000
3102210110202202222211101
41302322030211022220
54010142013210144
6132403100411144
711625354503065
oct1627214451250
9383422688741
10123382944424
1148365501363
121bab4846ab4
13b83401b02c
145d86753c6c
153321e8e6d4
hex1cba3252a8

123382944424 has 8 divisors (see below), whose sum is σ = 231343020810. Its totient is φ = 61691472208.

The previous prime is 123382944413. The next prime is 123382944427. The reversal of 123382944424 is 424449283321.

It can be written as a sum of positive squares in only one way, i.e., 112312116900 + 11070827524 = 335130^2 + 105218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (123382944427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7711434019 + ... + 7711434034.

Almost surely, 2123382944424 is an apocalyptic number.

It is an amenable number.

123382944424 is a deficient number, since it is larger than the sum of its proper divisors (107960076386).

123382944424 is a wasteful number, since it uses less digits than its factorization.

123382944424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15422868059 (or 15422868055 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 46.

The spelling of 123382944424 in words is "one hundred twenty-three billion, three hundred eighty-two million, nine hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 15422868053 30845736106 61691472212 123382944424