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52780030550500 = 22531118061531331
BaseRepresentation
bin11000000000000110011101…
…11110001110000111100100
320220212201111002002201020211
430000003032332032013210
523404222000310104000
6304130451124105204
714055142234254631
oct1400031676160744
9226781432081224
1052780030550500
11158a99813006a0
125b05159535204
13235b19b9947b6
14d067d220b188
15617de2bea7ba
hex3000cef8e1e4

52780030550500 has 96 divisors (see below), whose sum is σ = 125758021124736. Its totient is φ = 19191639600000.

The previous prime is 52780030550483. The next prime is 52780030550501. The reversal of 52780030550500 is 505503008725.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52780030550501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99069835 + ... + 99601165.

It is an arithmetic number, because the mean of its divisors is an integer number (1309979386716).

Almost surely, 252780030550500 is an apocalyptic number.

52780030550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52780030550500 is an abundant number, since it is smaller than the sum of its proper divisors (72977990574236).

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

52780030550500 is a wasteful number, since it uses less digits than its factorization.

52780030550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549422 (or 549410 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 52780030550500 in words is "fifty-two trillion, seven hundred eighty billion, thirty million, five hundred fifty thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 220 250 275 500 550 1100 1375 2750 5500 18061 36122 72244 90305 180610 198671 361220 397342 451525 531331 794684 903050 993355 1062662 1806100 1986710 2125324 2257625 2656655 3973420 4515250 4966775 5313310 5844641 9030500 9933550 10626620 11689282 13283275 19867100 23378564 24833875 26566550 29223205 49667750 53133100 58446410 66416375 99335500 116892820 132832750 146116025 265665500 292232050 584464100 730580125 1461160250 2922320500 9596369191 19192738382 38385476764 47981845955 95963691910 105560061101 191927383820 211120122202 239909229775 422240244404 479818459550 527800305505 959636919100 1055600611010 1199546148875 2111201222020 2399092297750 2639001527525 4798184595500 5278003055050 10556006110100 13195007637625 26390015275250 52780030550500