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23045306731421 = 1343142928849511
BaseRepresentation
bin1010011110101101001110…
…10100100100101110011101
310000121002222001100012120112
411033112213110210232131
511010033242010401141
6121002511234055405
74565653120110662
oct517264724445635
9100532861305515
1023045306731421
1173855069506a7
12270240271a565
13cb221743b750
14599582429a69
1529e6dbe067eb
hex14f5a7524b9d

23045306731421 has 16 divisors (see below), whose sum is σ = 25412958130560. Its totient is φ = 20763338541120.

The previous prime is 23045306731393. The next prime is 23045306731453. The reversal of 23045306731421 is 12413760354032.

It is a cyclic number.

It is not a de Polignac number, because 23045306731421 - 218 = 23045306469277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045306731471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13625945 + ... + 15223566.

It is an arithmetic number, because the mean of its divisors is an integer number (1588309883160).

Almost surely, 223045306731421 is an apocalyptic number.

It is an amenable number.

23045306731421 is a deficient number, since it is larger than the sum of its proper divisors (2367651399139).

23045306731421 is a wasteful number, since it uses less digits than its factorization.

23045306731421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28850996.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 23045306731421 in words is "twenty-three trillion, forty-five billion, three hundred six million, seven hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 13 43 559 1429 18577 61447 798811 28849511 375043643 1240528973 16126876649 41225951219 535937365847 1772715902417 23045306731421