Search a number
-
+
124421102234213 = 556032237668871
BaseRepresentation
bin11100010010100100001011…
…100110011110101001100101
3121022112112121112121200012112
4130102210023212132221211
5112302003404132443323
61120342133145130405
735131061621135111
oct3422441346365145
9538475545550175
10124421102234213
113670a769618064
1211b55787489a05
135456b236c1c55
1422a2028db8741
15e5b7298ed178
hex71290b99ea65

124421102234213 has 4 divisors (see below), whose sum is σ = 124423339958688. Its totient is φ = 124418864509740.

The previous prime is 124421102234159. The next prime is 124421102234243. The reversal of 124421102234213 is 312432201124421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124421102234213 - 28 = 124421102233957 is a prime.

It is a super-2 number, since 2×1244211022342132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124421102234213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124421102234243) 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, 1118778833 + ... + 1118890038.

It is an arithmetic number, because the mean of its divisors is an integer number (31105834989672).

Almost surely, 2124421102234213 is an apocalyptic number.

It is an amenable number.

124421102234213 is a deficient number, since it is larger than the sum of its proper divisors (2237724475).

124421102234213 is an equidigital number, since it uses as much as digits as its factorization.

124421102234213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237724474.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 124421102234213 its reverse (312432201124421), we get a palindrome (436853303358634).

The spelling of 124421102234213 in words is "one hundred twenty-four trillion, four hundred twenty-one billion, one hundred two million, two hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 55603 2237668871 124421102234213