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124142323625 = 531758419917
BaseRepresentation
bin111001110011101110…
…1011000011110101001
3102212102200200110020222
41303213131120132221
54013220413324000
6133010304455425
711653235224445
oct1634735303651
9385380613228
10124142323625
1148715118181
122008701a575
13b92544a938
146019547825
153368990a85
hex1ce77587a9

124142323625 has 16 divisors (see below), whose sum is σ = 164043129744. Its totient is φ = 93471865600.

The previous prime is 124142323621. The next prime is 124142323631. The reversal of 124142323625 is 526323241421.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 66671371264 + 57470952361 = 258208^2 + 239731^2 .

It is not a de Polignac number, because 124142323625 - 22 = 124142323621 is a prime.

It is a super-2 number, since 2×1241423236252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124142323621) 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, 29207834 + ... + 29212083.

It is an arithmetic number, because the mean of its divisors is an integer number (10252695609).

Almost surely, 2124142323625 is an apocalyptic number.

It is an amenable number.

124142323625 is a deficient number, since it is larger than the sum of its proper divisors (39900806119).

124142323625 is an equidigital number, since it uses as much as digits as its factorization.

124142323625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58419949 (or 58419939 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The spelling of 124142323625 in words is "one hundred twenty-four billion, one hundred forty-two million, three hundred twenty-three thousand, six hundred twenty-five".

Divisors: 1 5 17 25 85 125 425 2125 58419917 292099585 993138589 1460497925 4965692945 7302489625 24828464725 124142323625