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50807578000 = 245325403789
BaseRepresentation
bin101111010100010111…
…100001110110010000
311212010212102101101011
4233110113201312100
51313023214444000
635201330420304
73446026200364
oct572427416620
9155125371334
1050807578000
111a60260a393
129a1b431694
134a39176c2a
14265daad2a4
1514c57172ba
hexbd45e1d90

50807578000 has 40 divisors (see below), whose sum is σ = 122852728440. Its totient is φ = 20323030400.

The previous prime is 50807577923. The next prime is 50807578001. The reversal of 50807578000 is 87570805.

50807578000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 349839616 + 50457738384 = 18704^2 + 224628^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (50807578001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12699895 + ... + 12703894.

It is an arithmetic number, because the mean of its divisors is an integer number (3071318211).

Almost surely, 250807578000 is an apocalyptic number.

50807578000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50807578000 is an abundant number, since it is smaller than the sum of its proper divisors (72045150440).

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

50807578000 is a wasteful number, since it uses less digits than its factorization.

50807578000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25403812 (or 25403796 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 50807578000 in words is "fifty billion, eight hundred seven million, five hundred seventy-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 25403789 50807578 101615156 127018945 203230312 254037890 406460624 508075780 635094725 1016151560 1270189450 2032303120 2540378900 3175473625 5080757800 6350947250 10161515600 12701894500 25403789000 50807578000