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49881229320 = 23351317672419
BaseRepresentation
bin101110011101001001…
…110010100000001000
311202202022022222212210
4232131021302200020
51304124043314240
634525355505120
73414050311356
oct563511624010
9152668288783
1049881229320
111a17772096a
1298011581a0
13491c286510
1425b2a547d6
15146e233780
hexb9d272808

49881229320 has 384 divisors, whose sum is σ = 173632636800. Its totient is φ = 11356545024.

The previous prime is 49881229319. The next prime is 49881229373. The reversal of 49881229320 is 2392218894.

It is a self number, because there is not a number n which added to its sum of digits gives 49881229320.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 119048071 + ... + 119048489.

It is an arithmetic number, because the mean of its divisors is an integer number (452168325).

Almost surely, 249881229320 is an apocalyptic number.

49881229320 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 49881229320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86816318400).

49881229320 is an abundant number, since it is smaller than the sum of its proper divisors (123751407480).

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

49881229320 is a wasteful number, since it uses less digits than its factorization.

49881229320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 49881229320 in words is "forty-nine billion, eight hundred eighty-one million, two hundred twenty-nine thousand, three hundred twenty".