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23130305344215 = 325514006785427
BaseRepresentation
bin1010100001001011100011…
…01000100011001011010111
310000220020100202020010020200
411100211301220203023113
511012431331132003330
6121105525433231543
74605052346311506
oct520456150431327
9100806322203220
1023130305344215
1174085643a7533
1227169845625b3
13cba2420378c4
1459d726dc483d
152a1a14155a60
hex150971a232d7

23130305344215 has 12 divisors (see below), whose sum is σ = 40092529263384. Its totient is φ = 12336162850224.

The previous prime is 23130305344213. The next prime is 23130305344297. The reversal of 23130305344215 is 51244350303132.

23130305344215 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 0 + 305 + 344 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 23130305344215 - 21 = 23130305344213 is a prime.

It is a super-2 number, since 2×231303053442152 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23130305344215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130305344213) 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, 257003392669 + ... + 257003392758.

It is an arithmetic number, because the mean of its divisors is an integer number (3341044105282).

Almost surely, 223130305344215 is an apocalyptic number.

23130305344215 is a deficient number, since it is larger than the sum of its proper divisors (16962223919169).

23130305344215 is a wasteful number, since it uses less digits than its factorization.

23130305344215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514006785438 (or 514006785435 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 23130305344215 its reverse (51244350303132), we get a palindrome (74374655647347).

The spelling of 23130305344215 in words is "twenty-three trillion, one hundred thirty billion, three hundred five million, three hundred forty-four thousand, two hundred fifteen".

Divisors: 1 3 5 9 15 45 514006785427 1542020356281 2570033927135 4626061068843 7710101781405 23130305344215