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4971047072 = 25155345221
BaseRepresentation
bin1001010000100110…
…00010100010100000
3110211102220100121112
410220103002202200
540140042001242
62141134442452
7234121126415
oct45023024240
913742810545
104971047072
112121032272
12b68963428
13612b62394
143522c610c
151e1637c82
hex1284c28a0

4971047072 has 12 divisors (see below), whose sum is σ = 9786748986. Its totient is φ = 2485523520.

The previous prime is 4971047047. The next prime is 4971047077. The reversal of 4971047072 is 2707401794.

It can be written as a sum of positive squares in only one way, i.e., 4451024656 + 520022416 = 66716^2 + 22804^2 .

It is a super-2 number, since 2×49710470722 = 49422617984079546368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4971047077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77672579 + ... + 77672642.

Almost surely, 24971047072 is an apocalyptic number.

It is an amenable number.

4971047072 is a deficient number, since it is larger than the sum of its proper divisors (4815701914).

4971047072 is a wasteful number, since it uses less digits than its factorization.

4971047072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155345231 (or 155345223 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 4971047072 is about 70505.6527662853. The cubic root of 4971047072 is about 1706.6689679602.

The spelling of 4971047072 in words is "four billion, nine hundred seventy-one million, forty-seven thousand, seventy-two".

Divisors: 1 2 4 8 16 32 155345221 310690442 621380884 1242761768 2485523536 4971047072