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50403105440 = 255315019409
BaseRepresentation
bin101110111100010000…
…100101101010100000
311211002200100001022222
4232330100211222200
51311211143333230
635053241250212
73433015220162
oct567420455240
9154080301288
1050403105440
111a41526a146
129927a93968
1349a342a95c
1426220a2932
15149ee6d6e5
hexbbc425aa0

50403105440 has 24 divisors (see below), whose sum is σ = 119077336980. Its totient is φ = 20161242112.

The previous prime is 50403105397. The next prime is 50403105541. The reversal of 50403105440 is 4450130405.

It can be written as a sum of positive squares in 2 ways, for example, as 50389474576 + 13630864 = 224476^2 + 3692^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157509545 + ... + 157509864.

Almost surely, 250403105440 is an apocalyptic number.

It is an amenable number.

50403105440 is an abundant number, since it is smaller than the sum of its proper divisors (68674231540).

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

50403105440 is a wasteful number, since it uses less digits than its factorization.

50403105440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315019424 (or 315019416 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 50403105440 its reverse (4450130405), we get a palindrome (54853235845).

The spelling of 50403105440 in words is "fifty billion, four hundred three million, one hundred five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 315019409 630038818 1260077636 1575097045 2520155272 3150194090 5040310544 6300388180 10080621088 12600776360 25201552720 50403105440