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20504163050 = 2527234196079
BaseRepresentation
bin10011000110001001…
…001011001011101010
31221220222012101221022
4103012021023023222
5313443031204200
613230335212442
71324053340010
oct230611131352
957828171838
1020504163050
11877207a1a8
123b82977122
131c19c89877
14dc72428b0
15800157885
hex4c624b2ea

20504163050 has 96 divisors (see below), whose sum is σ = 45597081600. Its totient is φ = 6707194560.

The previous prime is 20504163037. The next prime is 20504163067. The reversal of 20504163050 is 5036140502.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3369911 + ... + 3375989.

It is an arithmetic number, because the mean of its divisors is an integer number (474969600).

Almost surely, 220504163050 is an apocalyptic number.

20504163050 is an abundant number, since it is smaller than the sum of its proper divisors (25092918550).

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

20504163050 is a wasteful number, since it uses less digits than its factorization.

20504163050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540 (or 6535 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 20504163050 in words is "twenty billion, five hundred four million, one hundred sixty-three thousand, fifty".

Divisors: 1 2 5 7 10 14 23 25 35 46 50 70 115 161 175 230 322 350 419 575 805 838 1150 1610 2095 2933 4025 4190 5866 6079 8050 9637 10475 12158 14665 19274 20950 29330 30395 42553 48185 60790 67459 73325 85106 96370 134918 139817 146650 151975 212765 240925 279634 303950 337295 425530 481850 674590 699085 978719 1063825 1398170 1686475 1957438 2127650 2547101 3372950 3495425 4893595 5094202 6990850 9787190 12735505 17829707 24467975 25471010 35659414 48935950 58583323 63677525 89148535 117166646 127355050 178297070 292916615 410083261 445742675 585833230 820166522 891485350 1464583075 2050416305 2929166150 4100832610 10252081525 20504163050