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2305344431145 = 35721955661249
BaseRepresentation
bin100001100011000001001…
…111000110010000101001
322011101111102021002222110
4201203001033012100221
5300232321133244040
64523021031512533
7325361404226340
oct41430117062051
98141442232873
102305344431145
11809766916328
1231295b228749
131395156a8072
147d817710b57
153ee7997b980
hex218c13c6429

2305344431145 has 16 divisors (see below), whose sum is σ = 4215486960000. Its totient is φ = 1053871739904.

The previous prime is 2305344431129. The next prime is 2305344431171. The reversal of 2305344431145 is 5411344435032.

It is not a de Polignac number, because 2305344431145 - 24 = 2305344431129 is a prime.

It is a super-2 number, since 2×23053444311452 (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10977830520 + ... + 10977830729.

It is an arithmetic number, because the mean of its divisors is an integer number (263467935000).

Almost surely, 22305344431145 is an apocalyptic number.

It is an amenable number.

2305344431145 is a deficient number, since it is larger than the sum of its proper divisors (1910142528855).

2305344431145 is a wasteful number, since it uses less digits than its factorization.

2305344431145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21955661264.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 2305344431145 its reverse (5411344435032), we get a palindrome (7716688866177).

The spelling of 2305344431145 in words is "two trillion, three hundred five billion, three hundred forty-four million, four hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 21955661249 65866983747 109778306245 153689628743 329334918735 461068886229 768448143715 2305344431145