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87028314073384 = 2317237642004357
BaseRepresentation
bin10011110010011011011011…
…101111101110100100101000
3102102010211021211201221211211
4103302123123233232210220
542401332441400322014
6505032131111002504
724221405516050465
oct2362333357564450
9372124254657754
1087028314073384
112580355651a932
129916806369434
133973972493008
14176c29b37466c
15a0dc15c3ccc4
hex4f26dbbee928

87028314073384 has 24 divisors (see below), whose sum is σ = 173341430068590. Its totient is φ = 40954500739328.

The previous prime is 87028314073297. The next prime is 87028314073457. The reversal of 87028314073384 is 48337041382078.

It can be written as a sum of positive squares in 3 ways, for example, as 71745609397284 + 15282704676100 = 8470278^2 + 3909310^2 .

It is a super-2 number, since 2×870283140733842 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18820999867 + ... + 18821004490.

Almost surely, 287028314073384 is an apocalyptic number.

It is an amenable number.

87028314073384 is a deficient number, since it is larger than the sum of its proper divisors (86313115995206).

87028314073384 is a wasteful number, since it uses less digits than its factorization.

87028314073384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37642004397 (or 37642004376 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 58.

The spelling of 87028314073384 in words is "eighty-seven trillion, twenty-eight billion, three hundred fourteen million, seventy-three thousand, three hundred eighty-four".

Divisors: 1 2 4 8 17 34 68 136 289 578 1156 2312 37642004357 75284008714 150568017428 301136034856 639914074069 1279828148138 2559656296276 5119312592552 10878539259173 21757078518346 43514157036692 87028314073384