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50823781830 = 2335188236229
BaseRepresentation
bin101111010101010101…
…010101110111000110
311212011222220121212000
4233111111111313012
51313041342004310
635203110010130
73446314006023
oct572525256706
9155158817760
1050823781830
111a610777588
129a24946946
134a3c62b4b3
142661cca54a
1514c6d684c0
hexbd5555dc6

50823781830 has 32 divisors (see below), whose sum is σ = 135530085600. Its totient is φ = 13553008416.

The previous prime is 50823781817. The next prime is 50823781847. The reversal of 50823781830 is 3818732805.

50823781830 is a `hidden beast` number, since 508 + 2 + 37 + 81 + 8 + 30 = 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 15 ways as a sum of consecutive naturals, for example, 94117845 + ... + 94118384.

It is an arithmetic number, because the mean of its divisors is an integer number (4235315175).

Almost surely, 250823781830 is an apocalyptic number.

50823781830 is an abundant number, since it is smaller than the sum of its proper divisors (84706303770).

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

50823781830 is a wasteful number, since it uses less digits than its factorization.

50823781830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188236245 (or 188236239 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 50823781830 in words is "fifty billion, eight hundred twenty-three million, seven hundred eighty-one thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 188236229 376472458 564708687 941181145 1129417374 1694126061 1882362290 2823543435 3388252122 5082378183 5647086870 8470630305 10164756366 16941260610 25411890915 50823781830