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50431223040 = 28351110111821
BaseRepresentation
bin101110111101111011…
…110110010100000000
311211011122020120102120
4232331323312110000
51311240343114130
635100124044240
73433506215532
oct567573662400
9154148216376
1050431223040
111a42a124330
129935393680
1349a91c3ba3
142625b01852
1514a2674910
hexbbdef6500

50431223040 has 288 divisors, whose sum is σ = 177461649792. Its totient is φ = 12103680000.

The previous prime is 50431223023. The next prime is 50431223077. The reversal of 50431223040 is 4032213405.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 50431223040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4260330 + ... + 4272150.

It is an arithmetic number, because the mean of its divisors is an integer number (616186284).

Almost surely, 250431223040 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 50431223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88730824896).

50431223040 is an abundant number, since it is smaller than the sum of its proper divisors (127030426752).

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

50431223040 is a wasteful number, since it uses less digits than its factorization.

50431223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11957 (or 11943 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 50431223040 its reverse (4032213405), we get a palindrome (54463436445).

The spelling of 50431223040 in words is "fifty billion, four hundred thirty-one million, two hundred twenty-three thousand, forty".