Search a number
-
+
47923804660 = 2252396190233
BaseRepresentation
bin101100101000011110…
…110011100111110100
311120200220002112001011
4230220132303213310
51241121443222120
634003233242004
73314411422054
oct545036634764
9146626075034
1047923804660
1119362813836
129355703304
134699897c84
142468abd564
1513a7480c5a
hexb287b39f4

47923804660 has 12 divisors (see below), whose sum is σ = 100639989828. Its totient is φ = 19169521856.

The previous prime is 47923804651. The next prime is 47923804667. The reversal of 47923804660 is 6640832974.

It can be written as a sum of positive squares in 2 ways, for example, as 5014339344 + 42909465316 = 70812^2 + 207146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47923804667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198095097 + ... + 1198095136.

It is an arithmetic number, because the mean of its divisors is an integer number (8386665819).

Almost surely, 247923804660 is an apocalyptic number.

It is an amenable number.

47923804660 is an abundant number, since it is smaller than the sum of its proper divisors (52716185168).

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

47923804660 is a wasteful number, since it uses less digits than its factorization.

47923804660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396190242 (or 2396190240 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 47923804660 in words is "forty-seven billion, nine hundred twenty-three million, eight hundred four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 2396190233 4792380466 9584760932 11980951165 23961902330 47923804660