Search a number
-
+
124372124485440 = 263513238928317203
BaseRepresentation
bin11100010001110110100100…
…010011001100011101000000
3121022100212012012100020122020
4130101312210103030131000
5112300203102332013230
61120303433142041440
735124406121136456
oct3421664423143500
9538325165306566
10124372124485440
11366a0a15996537
1211b48198a19280
135452319680410
14229d9003489d6
15e5a30eb82810
hex711da44cc740

124372124485440 has 896 divisors, whose sum is σ = 450344147742720. Its totient is φ = 28850584485888.

The previous prime is 124372124485403. The next prime is 124372124485447. The reversal of 124372124485440 is 44584421273421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124372124485447) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7229667879 + ... + 7229685081.

It is an arithmetic number, because the mean of its divisors is an integer number (502616236320).

Almost surely, 2124372124485440 is an apocalyptic number.

124372124485440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124372124485440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225172073871360).

124372124485440 is an abundant number, since it is smaller than the sum of its proper divisors (325972023257280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124372124485440 is a wasteful number, since it uses less digits than its factorization.

124372124485440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17631 (or 17621 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 51.

The spelling of 124372124485440 in words is "one hundred twenty-four trillion, three hundred seventy-two billion, one hundred twenty-four million, four hundred eighty-five thousand, four hundred forty".