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124402131103 = 197631482899
BaseRepresentation
bin111001111011011110…
…0011110000010011111
3102220002210120001010011
41303312330132002133
54014233421143403
6133052145224051
711662541444605
oct1636674360237
9386083501104
10124402131103
114883883a3a8
122013a032027
13b967215383
146041c57875
1533816b0a6d
hex1cf6f1e09f

124402131103 has 4 divisors (see below), whose sum is σ = 125033614200. Its totient is φ = 123770648008.

The previous prime is 124402131097. The next prime is 124402131193. The reversal of 124402131103 is 301131204421.

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 124402131103 - 25 = 124402131071 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 (124402131193) 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, 315741253 + ... + 315741646.

It is an arithmetic number, because the mean of its divisors is an integer number (31258403550).

Almost surely, 2124402131103 is an apocalyptic number.

124402131103 is a deficient number, since it is larger than the sum of its proper divisors (631483097).

124402131103 is an equidigital number, since it uses as much as digits as its factorization.

124402131103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631483096.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 124402131103 its reverse (301131204421), we get a palindrome (425533335524).

The spelling of 124402131103 in words is "one hundred twenty-four billion, four hundred two million, one hundred thirty-one thousand, one hundred three".

Divisors: 1 197 631482899 124402131103