Search a number
-
+
124400000001 = 389757615479
BaseRepresentation
bin111001111011011010…
…0010101110000000001
3102220002122112202210110
41303312310111300001
54014232400000001
6133052031421533
711662514360514
oct1636664256001
9386078482713
10124400000001
1148837614262
12201393848a9
13b96694a374
146041860d7b
1533813de3d6
hex1cf6d15c01

124400000001 has 16 divisors (see below), whose sum is σ = 167952182400. Its totient is φ = 81893040768.

The previous prime is 124399999991. The next prime is 124400000033. The reversal of 124400000001 is 100000004421.

It is not a de Polignac number, because 124400000001 - 26 = 124399999937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124400000041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105621 + ... + 509858.

It is an arithmetic number, because the mean of its divisors is an integer number (10497011400).

Almost surely, 2124400000001 is an apocalyptic number.

It is an amenable number.

124400000001 is a deficient number, since it is larger than the sum of its proper divisors (43552182399).

124400000001 is an equidigital number, since it uses as much as digits as its factorization.

124400000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616328.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 124400000001 its reverse (100000004421), we get a palindrome (224400004422).

The spelling of 124400000001 in words is "one hundred twenty-four billion, four hundred million, one", and thus it is an aban number.

Divisors: 1 3 89 267 757 2271 67373 202119 615479 1846437 54777631 164332893 465917603 1397752809 41466666667 124400000001