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7138144441725 = 352118652296293
BaseRepresentation
bin110011111011111101010…
…0100000101010101111101
3221021101210120002201200220
41213313322210011111331
51413422404434113400
623103115052211553
71334466605434503
oct147677244052575
927241716081626
107138144441725
1123022a74a0050
12973506169bb9
133ca17c94723b
141a96b9248673
15c5a2d5907a0
hex67dfa90557d

7138144441725 has 24 divisors (see below), whose sum is σ = 12874616885472. Its totient is φ = 3460918516800.

The previous prime is 7138144441723. The next prime is 7138144441739. The reversal of 7138144441725 is 5271444418317.

It is not a de Polignac number, because 7138144441725 - 21 = 7138144441723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138144441723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4326147322 + ... + 4326148971.

It is an arithmetic number, because the mean of its divisors is an integer number (536442370228).

Almost surely, 27138144441725 is an apocalyptic number.

7138144441725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7138144441725 is a deficient number, since it is larger than the sum of its proper divisors (5736472443747).

7138144441725 is a wasteful number, since it uses less digits than its factorization.

7138144441725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652296317 (or 8652296312 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 51.

The spelling of 7138144441725 in words is "seven trillion, one hundred thirty-eight billion, one hundred forty-four million, four hundred forty-one thousand, seven hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 8652296293 25956888879 43261481465 95175259223 129784444395 216307407325 285525777669 475876296115 648922221975 1427628888345 2379381480575 7138144441725