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50920000000 = 29571967
BaseRepresentation
bin101111011011000100…
…011000101000000000
311212102200222000100221
4233123010120220000
51313241010000000
635220424152424
73451562600332
oct573304305000
9155380860327
1050920000000
111a660015731
129a51008714
134a5654981c
1426709b5452
1514d052261a
hexbdb118a00

50920000000 has 320 divisors, whose sum is σ = 135866839680. Its totient is φ = 19008000000.

The previous prime is 50919999953. The next prime is 50920000037. The reversal of 50920000000 is 2905.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 759999967 + ... + 760000033.

It is an arithmetic number, because the mean of its divisors is an integer number (424583874).

Almost surely, 250920000000 is an apocalyptic number.

50920000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50920000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67933419840).

50920000000 is an abundant number, since it is smaller than the sum of its proper divisors (84946839680).

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

50920000000 is an frugal number, since it uses more digits than its factorization.

50920000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 50920000000 its reverse (2905), we get a palindrome (50920002905).

The spelling of 50920000000 in words is "fifty billion, nine hundred twenty million", and thus it is an aban number.