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127226438131 = 1371913611473
BaseRepresentation
bin111011001111101001…
…0010110000111110011
3110011101121222201000011
41312133102112013303
54041024432010011
6134240320035351
712122534611102
oct1663722260763
9404347881004
10127226438131
1149a5800a041
12207a7a62b57
13bcc73a3270
14622cda8039
1534995ec621
hex1d9f4961f3

127226438131 has 8 divisors (see below), whose sum is σ = 137203657920. Its totient is φ = 117276442752.

The previous prime is 127226438107. The next prime is 127226438147. The reversal of 127226438131 is 131834622721.

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 127226438131 - 215 = 127226405363 is a prime.

It is a super-2 number, since 2×1272264381312 (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 (127226438191) 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, 6796390 + ... + 6815083.

It is an arithmetic number, because the mean of its divisors is an integer number (17150457240).

Almost surely, 2127226438131 is an apocalyptic number.

127226438131 is a deficient number, since it is larger than the sum of its proper divisors (9977219789).

127226438131 is a wasteful number, since it uses less digits than its factorization.

127226438131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13612205.

The product of its digits is 96768, while the sum is 40.

The spelling of 127226438131 in words is "one hundred twenty-seven billion, two hundred twenty-six million, four hundred thirty-eight thousand, one hundred thirty-one".

Divisors: 1 13 719 9347 13611473 176949149 9786649087 127226438131