Search a number
-
+
47353731972 = 22310936203159
BaseRepresentation
bin101100000110100000…
…001001101110000100
311112020011101211022220
4230012200021232010
51233440023410342
633430510452340
73264320036421
oct540640115604
9145204354286
1047353731972
111909aa46788
1292168040b0
13460874a261
1424130c6d48
1513723c55ec
hexb06809b84

47353731972 has 24 divisors (see below), whose sum is σ = 111505732800. Its totient is φ = 15639764256.

The previous prime is 47353731967. The next prime is 47353731979. The reversal of 47353731972 is 27913735374.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47353731979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18100272 + ... + 18102887.

It is an arithmetic number, because the mean of its divisors is an integer number (4646072200).

Almost surely, 247353731972 is an apocalyptic number.

It is an amenable number.

47353731972 is an abundant number, since it is smaller than the sum of its proper divisors (64152000828).

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

47353731972 is a wasteful number, since it uses less digits than its factorization.

47353731972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36203275 (or 36203273 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 51.

The spelling of 47353731972 in words is "forty-seven billion, three hundred fifty-three million, seven hundred thirty-one thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 36203159 72406318 108609477 144812636 217218954 434437908 3946144331 7892288662 11838432993 15784577324 23676865986 47353731972