Search a number
-
+
3987582975996 = 2237191997231431
BaseRepresentation
bin111010000001101110011…
…101110111111111111100
3112010012122111212112012020
4322001232131313333330
51010313032220212441
612251511554040140
7561044011022004
oct72015635677774
915105574775166
103987582975996
1112a81406a7764
125449a1579050
1322c048441959
14db0001a9004
156dad5d11e66
hex3a06e777ffc

3987582975996 has 48 divisors (see below), whose sum is σ = 9322006901760. Its totient is φ = 1326675252160.

The previous prime is 3987582975947. The next prime is 3987582976001. The reversal of 3987582975996 is 6995792857893.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17114401 + ... + 17345831.

It is an arithmetic number, because the mean of its divisors is an integer number (194208477120).

Almost surely, 23987582975996 is an apocalyptic number.

It is an amenable number.

3987582975996 is an abundant number, since it is smaller than the sum of its proper divisors (5334423925764).

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

3987582975996 is a wasteful number, since it uses less digits than its factorization.

3987582975996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234154 (or 234152 counting only the distinct ones).

The product of its digits is 18517766400, while the sum is 87.

The spelling of 3987582975996 in words is "three trillion, nine hundred eighty-seven billion, five hundred eighty-two million, nine hundred seventy-five thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 719 1438 1997 2157 2876 3994 4314 5991 7988 8628 11982 23964 231431 462862 694293 925724 1388586 1435843 2777172 2871686 4307529 5743372 8615058 17230116 166398889 332797778 462167707 499196667 665595556 924335414 998393334 1386503121 1848670828 1996786668 2773006242 5546012484 332298581333 664597162666 996895743999 1329194325332 1993791487998 3987582975996