Search a number
-
+
49299743920 = 24573159127379
BaseRepresentation
bin101101111010011111…
…100110010010110000
311201020210011110212111
4231322133212102300
51301431213301140
634351544335104
73363456623560
oct557237462260
9151223143774
1049299743920
11199a9469319
12967a474494
134858970c0b
14255972ada0
1514381717ea
hexb7a7e64b0

49299743920 has 320 divisors, whose sum is σ = 138962534400. Its totient is φ = 15911562240.

The previous prime is 49299743873. The next prime is 49299743953. The reversal of 49299743920 is 2934799294.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130078291 + ... + 130078669.

It is an arithmetic number, because the mean of its divisors is an integer number (434257920).

Almost surely, 249299743920 is an apocalyptic number.

49299743920 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 49299743920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69481267200).

49299743920 is an abundant number, since it is smaller than the sum of its proper divisors (89662790480).

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

49299743920 is a wasteful number, since it uses less digits than its factorization.

49299743920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 49299743920 in words is "forty-nine billion, two hundred ninety-nine million, seven hundred forty-three thousand, nine hundred twenty".