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2340642161 = 111317712191
BaseRepresentation
bin1000101110000011…
…0101110101110001
320001010022221102102
42023200311311301
514243201022121
61024132030145
7112001062424
oct21340656561
96033287372
102340642161
11aa1260110
12553a62355
132b3c05080
14182c0b9bb
15da74d90b
hex8b835d71

2340642161 has 48 divisors (see below), whose sum is σ = 2968648704. Its totient is φ = 1813056000.

The previous prime is 2340642121. The next prime is 2340642169. The reversal of 2340642161 is 1612460432.

2340642161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2340642161 - 26 = 2340642097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340642169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12254576 + ... + 12254766.

It is an arithmetic number, because the mean of its divisors is an integer number (61846848).

Almost surely, 22340642161 is an apocalyptic number.

It is an amenable number.

2340642161 is a deficient number, since it is larger than the sum of its proper divisors (628006543).

2340642161 is a wasteful number, since it uses less digits than its factorization.

2340642161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2340642161 is about 48380.1835569069. The cubic root of 2340642161 is about 1327.7358279102.

The spelling of 2340642161 in words is "two billion, three hundred forty million, six hundred forty-two thousand, one hundred sixty-one".

Divisors: 1 11 13 17 71 143 187 191 221 781 923 1207 2101 2431 2483 3247 5041 10153 13277 13561 15691 27313 35717 42211 55451 65533 85697 149171 172601 176293 230537 464321 720863 942667 962831 1114061 1939223 2535907 2996981 10591141 12254671 12516803 16368127 32966791 137684833 180049397 212785651 2340642161