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20365131325050 = 2335253284627971
BaseRepresentation
bin1001010000101101000000…
…11010110001111001111010
32200002212222000110122211000
410220112200122301321322
510132130242104400200
6111151340121345430
74201221640046301
oct450264032617172
980085860418730
1020365131325050
1165418927958a6
12234aa95338276
13b4956798c025
1450596b53b438
15254b254e0300
hex1285a06b1e7a

20365131325050 has 96 divisors (see below), whose sum is σ = 57176067015360. Its totient is φ = 5328235598400.

The previous prime is 20365131325031. The next prime is 20365131325117. The reversal of 20365131325050 is 5052313156302.

20365131325050 is a `hidden beast` number, since 2 + 0 + 3 + 6 + 5 + 13 + 132 + 505 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20365131324996 and 20365131325014.

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, 142242436 + ... + 142385535.

It is an arithmetic number, because the mean of its divisors is an integer number (595584031410).

Almost surely, 220365131325050 is an apocalyptic number.

20365131325050 is an abundant number, since it is smaller than the sum of its proper divisors (36810935690310).

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

20365131325050 is a wasteful number, since it uses less digits than its factorization.

20365131325050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284628045 (or 284628034 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 20365131325050 in words is "twenty trillion, three hundred sixty-five billion, one hundred thirty-one million, three hundred twenty-five thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 53 54 75 90 106 135 150 159 225 265 270 318 450 477 530 675 795 954 1325 1350 1431 1590 2385 2650 2862 3975 4770 7155 7950 11925 14310 23850 35775 71550 284627971 569255942 853883913 1423139855 1707767826 2561651739 2846279710 4269419565 5123303478 7115699275 7684955217 8538839130 12808258695 14231398550 15085282463 15369910434 21347097825 25616517390 30170564926 38424776085 42694195650 45255847389 64041293475 75426412315 76849552170 90511694778 128082586950 135767542167 150852824630 192123880425 226279236945 271535084334 377132061575 384247760850 407302626501 452558473890 678837710835 754264123150 814605253002 1131396184725 1357675421670 2036513132505 2262792369450 3394188554175 4073026265010 6788377108350 10182565662525 20365131325050