Search a number
-
+
51353903770200 = 2332521132417104459
BaseRepresentation
bin10111010110100110000110…
…01100010010101001011000
320201211101101211221221222100
423223103003030102221120
523212340243331121300
6301115354021523400
713550124415531503
oct1353230314225130
9221741354857870
1051353903770200
11153aa082980699
125914892573560
132286863288115
14c97783b4813a
155e0c75ee2700
hex2eb4c3312a58

51353903770200 has 288 divisors, whose sum is σ = 174063404876400. Its totient is φ = 13567439585280.

The previous prime is 51353903770189. The next prime is 51353903770283. The reversal of 51353903770200 is 207730935315.

51353903770200 is a `hidden beast` number, since 5 + 1 + 353 + 90 + 3 + 7 + 7 + 0 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 491565571 + ... + 491670029.

Almost surely, 251353903770200 is an apocalyptic number.

51353903770200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51353903770200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87031702438200).

51353903770200 is an abundant number, since it is smaller than the sum of its proper divisors (122709501106200).

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

51353903770200 is a wasteful number, since it uses less digits than its factorization.

51353903770200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107011 (or 106999 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 45.

The spelling of 51353903770200 in words is "fifty-one trillion, three hundred fifty-three billion, nine hundred three million, seven hundred seventy thousand, two hundred".