Search a number
-
+
47995628944 = 243302990821
BaseRepresentation
bin101100101100110000…
…110010110110010000
311120212220020120102211
4230230300302312100
51241243340111234
634014320521504
73316243054234
oct545460626620
9146786216384
1047995628944
111939a31044a
129375780294
1346ab724c53
1424744585c4
1513ad91c164
hexb2cc32d90

47995628944 has 20 divisors (see below), whose sum is σ = 92995370460. Its totient is φ = 23996823680.

The previous prime is 47995628903. The next prime is 47995628969. The reversal of 47995628944 is 44982659974.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10092211600 + 37903417344 = 100460^2 + 194688^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47995628944.

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, 483054 + ... + 573874.

It is an arithmetic number, because the mean of its divisors is an integer number (4649768523).

Almost surely, 247995628944 is an apocalyptic number.

It is an amenable number.

47995628944 is a deficient number, since it is larger than the sum of its proper divisors (44999741516).

47995628944 is a wasteful number, since it uses less digits than its factorization.

47995628944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123858 (or 123852 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 67.

The spelling of 47995628944 in words is "forty-seven billion, nine hundred ninety-five million, six hundred twenty-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 33029 66058 90821 132116 181642 264232 363284 528464 726568 1453136 2999726809 5999453618 11998907236 23997814472 47995628944