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124400331441 = 348571792073
BaseRepresentation
bin111001111011011010…
…1100110101010110001
3102220002200011121110000
41303312311212222301
54014232441101231
6133052042500213
711662520241021
oct1636665465261
9386080147400
10124400331441
1148837820281
1220139504669
13b966a35199
146041909a81
1533814576e6
hex1cf6d66ab1

124400331441 has 20 divisors (see below), whose sum is σ = 186049538532. Its totient is φ = 82836736128.

The previous prime is 124400331413. The next prime is 124400331467. The reversal of 124400331441 is 144133004421.

It can be written as a sum of positive squares in 2 ways, for example, as 90793742400 + 33606589041 = 301320^2 + 183321^2 .

It is not a de Polignac number, because 124400331441 - 217 = 124400200369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (124400331491) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 826620 + ... + 965453.

Almost surely, 2124400331441 is an apocalyptic number.

It is an amenable number.

124400331441 is a deficient number, since it is larger than the sum of its proper divisors (61649207091).

124400331441 is an equidigital number, since it uses as much as digits as its factorization.

124400331441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792942 (or 1792933 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 124400331441 its reverse (144133004421), we get a palindrome (268533335862).

The spelling of 124400331441 in words is "one hundred twenty-four billion, four hundred million, three hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 3 9 27 81 857 2571 7713 23139 69417 1792073 5376219 16128657 48385971 145157913 1535806561 4607419683 13822259049 41466777147 124400331441