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49945224380 = 22519547240283
BaseRepresentation
bin101110100000111101…
…111010010010111100
311202220202202021121012
4232200331322102330
51304241434140010
634540003254352
73415455255032
oct564075722274
9152822667535
1049945224380
111a1aa860347
12981a67a3b8
13492c601a0c
1425bb352552
151474b75005
hexba0f7a4bc

49945224380 has 48 divisors (see below), whose sum is σ = 110607530880. Its totient is φ = 18891931968.

The previous prime is 49945224359. The next prime is 49945224389. The reversal of 49945224380 is 8342254994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49945224389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87719 + ... + 328001.

It is an arithmetic number, because the mean of its divisors is an integer number (2304323560).

Almost surely, 249945224380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49945224380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55303765440).

49945224380 is an abundant number, since it is smaller than the sum of its proper divisors (60662306500).

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

49945224380 is a wasteful number, since it uses less digits than its factorization.

49945224380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240858 (or 240856 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 49945224380 in words is "forty-nine billion, nine hundred forty-five million, two hundred twenty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 547 1094 2188 2735 5470 10393 10940 20786 41572 51965 103930 207860 240283 480566 961132 1201415 2402830 4565377 4805660 9130754 18261508 22826885 45653770 91307540 131434801 262869602 525739204 657174005 1314348010 2497261219 2628696020 4994522438 9989044876 12486306095 24972612190 49945224380