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7131715067142 = 2321321299929139
BaseRepresentation
bin110011111000111101101…
…0101111101110100000110
3221020210012111002122211100
41213301323111331310012
51413321223024122032
623100133100320530
71334151355602261
oct147617325756406
927223174078740
107131715067142
1122aa5a8260836
12972210b43146
133c9696923793
141a92693c9cd8
15c57a3de097c
hex67c7b57dd06

7131715067142 has 24 divisors (see below), whose sum is σ = 15463746600120. Its totient is φ = 2375438772960.

The previous prime is 7131715067137. The next prime is 7131715067143. The reversal of 7131715067142 is 2417605171317.

7131715067142 is a `hidden beast` number, since 7 + 1 + 3 + 1 + 71 + 506 + 71 + 4 + 2 = 666.

It is a super-2 number, since 2×71317150671422 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7131715067143) 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, 149940792 + ... + 149988347.

It is an arithmetic number, because the mean of its divisors is an integer number (644322775005).

Almost surely, 27131715067142 is an apocalyptic number.

7131715067142 is an abundant number, since it is smaller than the sum of its proper divisors (8332031532978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7131715067142 is a wasteful number, since it uses less digits than its factorization.

7131715067142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299930468 (or 299930465 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The spelling of 7131715067142 in words is "seven trillion, one hundred thirty-one billion, seven hundred fifteen million, sixty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 1321 2642 3963 7926 11889 23778 299929139 599858278 899787417 1799574834 2699362251 5398724502 396206392619 792412785238 1188619177857 2377238355714 3565857533571 7131715067142