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50774556672 = 21433719863
BaseRepresentation
bin101111010010011001…
…100100000000000000
311212001120021201122000
4233102121210000000
51312441241303142
635154150544000
73445145416320
oct572231440000
9155046251560
1050774556672
111a595a05a34
129a10368000
134a32384998
142659555280
1514c289314c
hexbd2664000

50774556672 has 480 divisors, whose sum is σ = 181188403200. Its totient is φ = 13727563776.

The previous prime is 50774556643. The next prime is 50774556673. The reversal of 50774556672 is 27665547705.

50774556672 is a `hidden beast` number, since 5 + 0 + 7 + 7 + 4 + 5 + 566 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (50774556673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58834513 + ... + 58835375.

It is an arithmetic number, because the mean of its divisors is an integer number (377475840).

Almost surely, 250774556672 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 50774556672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90594201600).

50774556672 is an abundant number, since it is smaller than the sum of its proper divisors (130413846528).

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

50774556672 is an equidigital number, since it uses as much as digits as its factorization.

50774556672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 54.

The spelling of 50774556672 in words is "fifty billion, seven hundred seventy-four million, five hundred fifty-six thousand, six hundred seventy-two".