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2308797161 = 111871112181
BaseRepresentation
bin1000100110011101…
…0111001011101001
312221220102001021222
42021213113023221
514212023002121
61021033311425
7111133311026
oct21147271351
95856361258
102308797161
11a8528a530
12545265575
132aa435388
1417c8bc54d
15d7a5d0ab
hex899d72e9

2308797161 has 8 divisors (see below), whose sum is σ = 2520056448. Its totient is φ = 2097766000.

The previous prime is 2308797091. The next prime is 2308797181. The reversal of 2308797161 is 1617978032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2308797161 - 222 = 2304602857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2308797181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35510 + ... + 76671.

It is an arithmetic number, because the mean of its divisors is an integer number (315007056).

Almost surely, 22308797161 is an apocalyptic number.

It is an amenable number.

2308797161 is a deficient number, since it is larger than the sum of its proper divisors (211259287).

2308797161 is a wasteful number, since it uses less digits than its factorization.

2308797161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114063.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 2308797161 is about 48049.9444432561. The cubic root of 2308797161 is about 1321.6869236269.

It can be divided in two parts, 23087971 and 61, that added together give a palindrome (23088032).

The spelling of 2308797161 in words is "two billion, three hundred eight million, seven hundred ninety-seven thousand, one hundred sixty-one".

Divisors: 1 11 1871 20581 112181 1233991 209890651 2308797161