Search a number
-
+
124212342144391 = 4318611552208017
BaseRepresentation
bin11100001111100001110000…
…100001111011110110000111
3121021210120202200200022120221
4130033201300201323312013
5112240043334042110031
61120102210124005211
735110021426506454
oct3417416041736607
9537716680608527
10124212342144391
113663a181a27806
1211b21226090807
135440234541797
142295ca36d282b
15e560ac38ba11
hex70f87087bd87

124212342144391 has 8 divisors (see below), whose sum is σ = 127169298498704. Its totient is φ = 121258490209920.

The previous prime is 124212342144367. The next prime is 124212342144413. The reversal of 124212342144391 is 193441243212421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124212342144391 - 225 = 124212308589959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124212342144301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776023986 + ... + 776184031.

It is an arithmetic number, because the mean of its divisors is an integer number (15896162312338).

Almost surely, 2124212342144391 is an apocalyptic number.

124212342144391 is a deficient number, since it is larger than the sum of its proper divisors (2956956354313).

124212342144391 is a wasteful number, since it uses less digits than its factorization.

124212342144391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552209921.

The product of its digits is 331776, while the sum is 43.

The spelling of 124212342144391 in words is "one hundred twenty-four trillion, two hundred twelve billion, three hundred forty-two million, one hundred forty-four thousand, three hundred ninety-one".

Divisors: 1 43 1861 80023 1552208017 66744944731 2888659119637 124212342144391