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50445451240 = 2351261136281
BaseRepresentation
bin101110111110110010…
…000111111111101000
311211012122000102211221
4232332302013333220
51311303013414430
635101353031424
73434041155262
oct567662077750
9154178012757
1050445451240
111a437162178
12993a0b5574
1349ac136142
142627966b32
1514a3a3557a
hexbbec87fe8

50445451240 has 16 divisors (see below), whose sum is σ = 113502265380. Its totient is φ = 20178180480.

The previous prime is 50445451207. The next prime is 50445451241. The reversal of 50445451240 is 4215454405.

It can be written as a sum of positive squares in 2 ways, for example, as 48253151556 + 2192299684 = 219666^2 + 46822^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50445451196 and 50445451205.

It is not an unprimeable number, because it can be changed into a prime (50445451241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630568101 + ... + 630568180.

Almost surely, 250445451240 is an apocalyptic number.

It is an amenable number.

50445451240 is an abundant number, since it is smaller than the sum of its proper divisors (63056814140).

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

50445451240 is a wasteful number, since it uses less digits than its factorization.

50445451240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261136292 (or 1261136288 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 50445451240 in words is "fifty billion, four hundred forty-five million, four hundred fifty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1261136281 2522272562 5044545124 6305681405 10089090248 12611362810 25222725620 50445451240