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131422401125 = 536715692227
BaseRepresentation
bin111101001100101100…
…0101011001001100101
3110120020001102201010222
41322121120223021211
54123123113314000
6140212530054125
712331524656261
oct1723130531145
9416201381128
10131422401125
1150810579154
122157911a345
13c5157975c2
14650a36d0a1
153642b80a85
hex1e9962b265

131422401125 has 16 divisors (see below), whose sum is σ = 166463154624. Its totient is φ = 103568691600.

The previous prime is 131422401113. The next prime is 131422401137. The reversal of 131422401125 is 521104224131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131422401113) and next prime (131422401137).

It is not a de Polignac number, because 131422401125 - 28 = 131422400869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131422401094 and 131422401103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7837739 + ... + 7854488.

It is an arithmetic number, because the mean of its divisors is an integer number (10403947164).

Almost surely, 2131422401125 is an apocalyptic number.

It is an amenable number.

131422401125 is a deficient number, since it is larger than the sum of its proper divisors (35040753499).

131422401125 is an equidigital number, since it uses as much as digits as its factorization.

131422401125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15692309 (or 15692299 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 131422401125 its reverse (521104224131), we get a palindrome (652526625256).

The spelling of 131422401125 in words is "one hundred thirty-one billion, four hundred twenty-two million, four hundred one thousand, one hundred twenty-five".

Divisors: 1 5 25 67 125 335 1675 8375 15692227 78461135 392305675 1051379209 1961528375 5256896045 26284480225 131422401125