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8948360287161 = 32432231892
BaseRepresentation
bin1000001000110111001111…
…0101100001001110111001
31011200110021121120121120100
42002031303311201032321
52133102220213142121
631010453040150013
71612332465311511
oct202156365411671
934613247517510
108948360287161
11293aa8410a5a9
121006303908309
134cba994c12a9
1422d1626c4841
15107b79de1026
hex82373d613b9

8948360287161 has 27 divisors (see below), whose sum is σ = 13233561386799. Its totient is φ = 5826587980752.

The previous prime is 8948360287133. The next prime is 8948360287169. The reversal of 8948360287161 is 1617820638498.

The square root of 8948360287161 is 2991381.

It is a perfect power (a square), and thus also a powerful number.

8948360287161 is a `hidden beast` number, since 8 + 9 + 4 + 8 + 3 + 602 + 8 + 7 + 16 + 1 = 666.

8948360287161 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 only one way, i.e., 4888215886761 + 4060144400400 = 2210931^2 + 2014980^2 .

It is not a de Polignac number, because 8948360287161 - 27 = 8948360287033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8948360287169) 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, 385876555 + ... + 385899743.

Almost surely, 28948360287161 is an apocalyptic number.

8948360287161 is the 2991381-st square number.

8948360287161 is the 1495691-st centered octagonal number.

It is an amenable number.

8948360287161 is a deficient number, since it is larger than the sum of its proper divisors (4285201099638).

8948360287161 is an frugal number, since it uses more digits than its factorization.

8948360287161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46470 (or 23235 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

It can be divided in two parts, 8948360 and 287161, that added together give a square (9235521 = 30392).

The spelling of 8948360287161 in words is "eight trillion, nine hundred forty-eight billion, three hundred sixty million, two hundred eighty-seven thousand, one hundred sixty-one".

Divisors: 1 3 9 43 129 387 1849 5547 16641 23189 69567 208701 997127 2991381 8974143 42876461 128629383 385888149 537729721 1613189163 4839567489 23122378003 69367134009 208101402027 994262254129 2982786762387 8948360287161