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50040053140 = 22571161737297
BaseRepresentation
bin101110100110100111…
…101001110110010100
311210011101012002012111
4232212213221312110
51304440223200030
634553232000404
73421016301520
oct564647516624
9153141162174
1050040053140
111a24933a620
129846390104
1349461547cc
1425c9b98d80
15147d15762a
hexba69e9d94

50040053140 has 192 divisors, whose sum is σ = 135004359168. Its totient is φ = 15128985600.

The previous prime is 50040053123. The next prime is 50040053143. The reversal of 50040053140 is 4135004005.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50040053143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6853972 + ... + 6861268.

It is an arithmetic number, because the mean of its divisors is an integer number (703147704).

Almost surely, 250040053140 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 50040053140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67502179584).

50040053140 is an abundant number, since it is smaller than the sum of its proper divisors (84964306028).

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

50040053140 is a wasteful number, since it uses less digits than its factorization.

50040053140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458 (or 7456 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 50040053140 its reverse (4135004005), we get a palindrome (54175057145).

The spelling of 50040053140 in words is "fifty billion, forty million, fifty-three thousand, one hundred forty".