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50669402784 = 253711133173233
BaseRepresentation
bin101111001100001000…
…011011101010100000
311211210020102100121120
4233030020123222200
51312232331342114
635135513052240
73442430550240
oct571410335240
9154706370546
1050669402784
111a5416142a0
1299a10b7080
134a16658350
1426495c1b20
1514b85215a9
hexbcc21baa0

50669402784 has 768 divisors, whose sum is σ = 187671085056. Its totient is φ = 11545804800.

The previous prime is 50669402779. The next prime is 50669402789. The reversal of 50669402784 is 48720496605.

It is an interprime number because it is at equal distance from previous prime (50669402779) and next prime (50669402789).

It is not an unprimeable number, because it can be changed into a prime (50669402789) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 217465132 + ... + 217465364.

It is an arithmetic number, because the mean of its divisors is an integer number (244363392).

Almost surely, 250669402784 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 50669402784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93835542528).

50669402784 is an abundant number, since it is smaller than the sum of its proper divisors (137001682272).

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

50669402784 is a wasteful number, since it uses less digits than its factorization.

50669402784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 50669402784 in words is "fifty billion, six hundred sixty-nine million, four hundred two thousand, seven hundred eighty-four".