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50312858445 = 3253730217933
BaseRepresentation
bin101110110110111000…
…010100101101001101
311210212101112000201200
4232312320110231031
51311020042432240
635040255100113
73430541145333
oct566670245515
9153771460650
1050312858445
111a37932a253
129901811639
13498a820475
1426140cdb53
151497093930
hexbb6e14b4d

50312858445 has 24 divisors (see below), whose sum is σ = 89565956376. Its totient is φ = 26108293248.

The previous prime is 50312858443. The next prime is 50312858483. The reversal of 50312858445 is 54485821305.

50312858445 is a `hidden beast` number, since 5 + 0 + 3 + 1 + 28 + 584 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6090553764 + 44222304681 = 78042^2 + 210291^2 .

It is not a de Polignac number, because 50312858445 - 21 = 50312858443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 50312858445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50312858441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15107302 + ... + 15110631.

It is an arithmetic number, because the mean of its divisors is an integer number (3731914849).

Almost surely, 250312858445 is an apocalyptic number.

It is an amenable number.

50312858445 is a deficient number, since it is larger than the sum of its proper divisors (39253097931).

50312858445 is a wasteful number, since it uses less digits than its factorization.

50312858445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30217981 (or 30217978 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 50312858445 in words is "fifty billion, three hundred twelve million, eight hundred fifty-eight thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 37 45 111 185 333 555 1665 30217933 90653799 151089665 271961397 453268995 1118063521 1359806985 3354190563 5590317605 10062571689 16770952815 50312858445