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49490739200 = 21452741421
BaseRepresentation
bin101110000101111000…
…001100000000000000
311201202002120001010202
4232011320030000000
51302324112123300
634422530144332
73401266225250
oct560570140000
9151662501122
1049490739200
1119a97260961
1297124220a8
1348893c4686
142576c47960
151449cecad5
hexb85e0c000

49490739200 has 360 divisors, whose sum is σ = 144029052384. Its totient is φ = 16515072000.

The previous prime is 49490739161. The next prime is 49490739209. The reversal of 49490739200 is 293709494.

It is not an unprimeable number, because it can be changed into a prime (49490739209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117554990 + ... + 117555410.

Almost surely, 249490739200 is an apocalyptic number.

49490739200 is a gapful number since it is divisible by the number (40) 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 49490739200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72014526192).

49490739200 is an abundant number, since it is smaller than the sum of its proper divisors (94538313184).

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

49490739200 is an equidigital number, since it uses as much as digits as its factorization.

49490739200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 49490739200 in words is "forty-nine billion, four hundred ninety million, seven hundred thirty-nine thousand, two hundred".