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3872543386747 = 74321264123669
BaseRepresentation
bin111000010110100101100…
…100101010110001111011
3111201012201012120220000111
4320112211210222301323
51001421432101333442
612123004420245151
7546532143446350
oct70264544526173
914635635526014
103872543386747
11126337786a662
12526636b407b7
13221243b34599
14d560997a627
156ab01592b17
hex385a592ac7b

3872543386747 has 24 divisors (see below), whose sum is σ = 4531632104160. Its totient is φ = 3241735902720.

The previous prime is 3872543386729. The next prime is 3872543386847. The reversal of 3872543386747 is 7476833452783.

It is a de Polignac number, because none of the positive numbers 2k-3872543386747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3872543386847) 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, 163600629 + ... + 163624297.

It is an arithmetic number, because the mean of its divisors is an integer number (188818004340).

Almost surely, 23872543386747 is an apocalyptic number.

3872543386747 is a deficient number, since it is larger than the sum of its proper divisors (659088717413).

3872543386747 is a wasteful number, since it uses less digits than its factorization.

3872543386747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36403 (or 36360 counting only the distinct ones).

The product of its digits is 568995840, while the sum is 67.

The spelling of 3872543386747 in words is "three trillion, eight hundred seventy-two billion, five hundred forty-three million, three hundred eighty-six thousand, seven hundred forty-seven".

Divisors: 1 7 43 301 1849 12641 12943 23669 88487 165683 543563 1017767 3804941 7124369 23373209 43763981 163612463 299199829 306347867 2094398803 12865592647 90059148529 553220483821 3872543386747