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46778228450 = 2527324192
BaseRepresentation
bin101011100100001100…
…110001111011100010
311110202001111012220122
4223210030301323202
51231300211302300
633253431440242
73244131244532
oct534414617342
9143661435818
1046778228450
11189250aa438
129095b26082
13454644a625
14239a8b94c2
15133bae5c85
hexae4331ee2

46778228450 has 54 divisors (see below), whose sum is σ = 88426756899. Its totient is φ = 18410927040.

The previous prime is 46778228447. The next prime is 46778228459. The reversal of 46778228450 is 5482287764.

46778228450 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 5 ways, for example, as 19938287209 + 26839941241 = 141203^2 + 163829^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=152935.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46778228392 and 46778228401.

It is not an unprimeable number, because it can be changed into a prime (46778228459) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 111642341 + ... + 111642759.

Almost surely, 246778228450 is an apocalyptic number.

46778228450 is a deficient number, since it is larger than the sum of its proper divisors (41648528449).

46778228450 is an frugal number, since it uses more digits than its factorization.

46778228450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 53.

The spelling of 46778228450 in words is "forty-six billion, seven hundred seventy-eight million, two hundred twenty-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 73 146 365 419 730 838 1825 2095 3650 4190 5329 10475 10658 20950 26645 30587 53290 61174 133225 152935 175561 266450 305870 351122 764675 877805 1529350 1755610 2232851 4389025 4465702 8778050 11164255 12815953 22328510 25631906 55821275 64079765 111642550 128159530 320398825 640797650 935564569 1871129138 4677822845 9355645690 23389114225 46778228450