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12425215523131 = 17392333777859
BaseRepresentation
bin1011010011001111100010…
…0011101011100100111011
31121222211122122002202202101
42310303320203223210323
53112033320133220011
642232022030244231
72421456265224145
oct264637043534473
947884578082671
1012425215523131
113a60560268a14
12148810b656677
136c19010c51c8
1430d5529cbc95
1516831d3b02c1
hexb4cf88eb93b

12425215523131 has 8 divisors (see below), whose sum is σ = 12497188991760. Its totient is φ = 12353243795232.

The previous prime is 12425215523113. The next prime is 12425215523153. The reversal of 12425215523131 is 13132551252421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12425215523131 - 25 = 12425215523099 is a prime.

It is a super-2 number, since 2×124252155231312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12425215523431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15584680 + ... + 16362538.

It is an arithmetic number, because the mean of its divisors is an integer number (1562148623970).

Almost surely, 212425215523131 is an apocalyptic number.

12425215523131 is a deficient number, since it is larger than the sum of its proper divisors (71973468629).

12425215523131 is an equidigital number, since it uses as much as digits as its factorization.

12425215523131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870365.

The product of its digits is 72000, while the sum is 37.

Adding to 12425215523131 its reverse (13132551252421), we get a palindrome (25557766775552).

The spelling of 12425215523131 in words is "twelve trillion, four hundred twenty-five billion, two hundred fifteen million, five hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 173 92333 777859 15973609 134569607 71822055047 12425215523131