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124000551425 = 526181311837
BaseRepresentation
bin111001101111100000…
…0100100001000000001
3102212001210220200100202
41303133000210020001
54012423120121200
6132544242054545
711646564203432
oct1633700441001
9385053820322
10124000551425
1148652095673
122004764a455
13b901c6ca6a
1460047a1489
15335b2d91d5
hex1cdf024201

124000551425 has 12 divisors (see below), whose sum is σ = 156281352636. Its totient is φ = 97574203200.

The previous prime is 124000551421. The next prime is 124000551427. The reversal of 124000551425 is 524155000421.

It can be written as a sum of positive squares in 6 ways, for example, as 27254047744 + 96746503681 = 165088^2 + 311041^2 .

It is not a de Polignac number, because 124000551425 - 22 = 124000551421 is a prime.

It is a super-2 number, since 2×1240005514252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124000551421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40654394 + ... + 40657443.

It is an arithmetic number, because the mean of its divisors is an integer number (13023446053).

Almost surely, 2124000551425 is an apocalyptic number.

It is an amenable number.

124000551425 is a deficient number, since it is larger than the sum of its proper divisors (32280801211).

124000551425 is an equidigital number, since it uses as much as digits as its factorization.

124000551425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81311908 (or 81311903 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 124000551425 its reverse (524155000421), we get a palindrome (648155551846).

The spelling of 124000551425 in words is "one hundred twenty-four billion, five hundred fifty-one thousand, four hundred twenty-five".

Divisors: 1 5 25 61 305 1525 81311837 406559185 2032795925 4960022057 24800110285 124000551425