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123104324242 = 22910336756149
BaseRepresentation
bin111001010100110010…
…1101110101010010010
3102202202100111121210101
41302221211232222102
54004104201333432
6132315304523014
711615432330254
oct1625145565222
9382670447711
10123104324242
11482321aa949
121ba3748046a
13b7bb397713
145d5b747cd4
1533077a54e7
hex1ca996ea92

123104324242 has 32 divisors (see below), whose sum is σ = 193407552000. Its totient is φ = 58691279808.

The previous prime is 123104324237. The next prime is 123104324243. The reversal of 123104324242 is 242423401321.

It is a self number, because there is not a number n which added to its sum of digits gives 123104324242.

It is not an unprimeable number, because it can be changed into a prime (123104324243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2164384 + ... + 2220532.

It is an arithmetic number, because the mean of its divisors is an integer number (6043986000).

Almost surely, 2123104324242 is an apocalyptic number.

123104324242 is a deficient number, since it is larger than the sum of its proper divisors (70303227758).

123104324242 is a wasteful number, since it uses less digits than its factorization.

123104324242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56650.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 123104324242 its reverse (242423401321), we get a palindrome (365527725563).

The spelling of 123104324242 in words is "one hundred twenty-three billion, one hundred four million, three hundred twenty-four thousand, two hundred forty-two".

Divisors: 1 2 29 58 103 206 367 734 2987 5974 10643 21286 37801 56149 75602 112298 1096229 1628321 2192458 3256642 5783347 11566694 20606683 41213366 167717063 335434126 597593807 1195187614 2122488349 4244976698 61552162121 123104324242