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8461973061 = 328910564261
BaseRepresentation
bin1111110000101111…
…10111011001000101
3210211201200202210200
413320113313121011
5114312231114221
63515401241113
7416460404253
oct77027673105
923751622720
108461973061
113652621673
121781a93199
13a4b172769
145a3ba15d3
15347d51426
hex1f85f7645

8461973061 has 12 divisors (see below), whose sum is σ = 12360186540. Its totient is φ = 5577929280.

The previous prime is 8461973059. The next prime is 8461973077. The reversal of 8461973061 is 1603791648.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2796400161 + 5665572900 = 52881^2 + 75270^2 .

It is not a de Polignac number, because 8461973061 - 21 = 8461973059 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8461972998 and 8461973016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461973161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5281330 + ... + 5282931.

It is an arithmetic number, because the mean of its divisors is an integer number (1030015545).

Almost surely, 28461973061 is an apocalyptic number.

It is an amenable number.

8461973061 is a deficient number, since it is larger than the sum of its proper divisors (3898213479).

8461973061 is a wasteful number, since it uses less digits than its factorization.

8461973061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10564356 (or 10564353 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 8461973061 is about 91988.9833675751. The cubic root of 8461973061 is about 2037.7796119757.

The spelling of 8461973061 in words is "eight billion, four hundred sixty-one million, nine hundred seventy-three thousand, sixty-one".

Divisors: 1 3 9 89 267 801 10564261 31692783 95078349 940219229 2820657687 8461973061