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50839740820 = 22511231089731
BaseRepresentation
bin101111010110010010…
…001110000110010100
311212020002221102110201
4233112102032012110
51313104433201240
635204440030244
73446566444501
oct572622160624
9155202842421
1050839740820
111a619787830
129a2a162384
134a42a2849b
1426640824a8
1514c846bd9a
hexbd648e194

50839740820 has 24 divisors (see below), whose sum is σ = 116469224928. Its totient is φ = 18487178400.

The previous prime is 50839740803. The next prime is 50839740821. The reversal of 50839740820 is 2804793805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50839740821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115544646 + ... + 115545085.

It is an arithmetic number, because the mean of its divisors is an integer number (4852884372).

Almost surely, 250839740820 is an apocalyptic number.

It is an amenable number.

50839740820 is an abundant number, since it is smaller than the sum of its proper divisors (65629484108).

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

50839740820 is a wasteful number, since it uses less digits than its factorization.

50839740820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231089751 (or 231089749 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 50839740820 in words is "fifty billion, eight hundred thirty-nine million, seven hundred forty thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 231089731 462179462 924358924 1155448655 2310897310 2541987041 4621794620 5083974082 10167948164 12709935205 25419870410 50839740820