Search a number
-
+
51253120626120 = 23325720338539931
BaseRepresentation
bin10111010011101010011000…
…00011000110110111001000
320201110202021002200210000100
423221311030003012313020
523204212342340013440
6301001205241205400
713536626052122220
oct1351651403066710
9221422232623010
1051253120626120
1115370365477886
1258b9246490860
13227a1c1447b1a
14c92942aa9080
155dd328160230
hex2e9d4c0c6dc8

51253120626120 has 96 divisors (see below), whose sum is σ = 190368733763520. Its totient is φ = 11714998999680.

The previous prime is 51253120626083. The next prime is 51253120626179. The reversal of 51253120626120 is 2162602135215.

51253120626120 is a `hidden beast` number, since 5 + 1 + 2 + 5 + 3 + 1 + 2 + 0 + 626 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10169267446 + ... + 10169272485.

It is an arithmetic number, because the mean of its divisors is an integer number (1983007643370).

Almost surely, 251253120626120 is an apocalyptic number.

It is an amenable number.

51253120626120 is an abundant number, since it is smaller than the sum of its proper divisors (139115613137400).

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

51253120626120 is a wasteful number, since it uses less digits than its factorization.

51253120626120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20338539955 (or 20338539948 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 51253120626120 in words is "fifty-one trillion, two hundred fifty-three billion, one hundred twenty million, six hundred twenty-six thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 840 1260 2520 20338539931 40677079862 61015619793 81354159724 101692699655 122031239586 142369779517 162708319448 183046859379 203385399310 244062479172 284739559034 305078098965 366093718758 406770798620 427109338551 488124958344 569479118068 610156197930 711848897585 732187437516 813541597240 854218677102 915234296895 1138958236136 1220312395860 1281328015653 1423697795170 1464374875032 1708437354204 1830468593790 2135546692755 2440624791720 2562656031306 2847395590340 3416874708408 3660937187580 4271093385510 5125312062612 5694791180680 6406640078265 7321874375160 8542186771020 10250624125224 12813280156530 17084373542040 25626560313060 51253120626120