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124120344214213 = 142270987242257
BaseRepresentation
bin11100001110001100000101…
…000001101011101011000101
3121021110210022012100020111121
4130032030011001223223011
5112232041431104323323
61115552033213033541
735100253560141544
oct3416140501535305
9537423265306447
10124120344214213
1136604162553156
1211b074301858b1
13543466281b2c9
14229165731815b
15e539c590aa5d
hex70e30506bac5

124120344214213 has 4 divisors (see below), whose sum is σ = 124120432879180. Its totient is φ = 124120255549248.

The previous prime is 124120344214201. The next prime is 124120344214267. The reversal of 124120344214213 is 312412443021421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29901134685249 + 94219209528964 = 5468193^2 + 9706658^2 .

It is a cyclic number.

It is not a de Polignac number, because 124120344214213 - 221 = 124120342117061 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 (124120345214213) 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, 42198420 + ... + 45043837.

It is an arithmetic number, because the mean of its divisors is an integer number (31030108219795).

Almost surely, 2124120344214213 is an apocalyptic number.

It is an amenable number.

124120344214213 is a deficient number, since it is larger than the sum of its proper divisors (88664967).

124120344214213 is an equidigital number, since it uses as much as digits as its factorization.

124120344214213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88664966.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 124120344214213 its reverse (312412443021421), we get a palindrome (436532787235634).

The spelling of 124120344214213 in words is "one hundred twenty-four trillion, one hundred twenty billion, three hundred forty-four million, two hundred fourteen thousand, two hundred thirteen".

Divisors: 1 1422709 87242257 124120344214213