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421310121023113 = 72367212918345331
BaseRepresentation
bin101111111001011011110100…
…0000110101001011010001001
32001020201212001201120022122121
41133302313220012221122021
5420210221111440214423
64052015110405251241
7154512436360632640
oct13762675006513211
92036655051508577
10421310121023113
11112273689870333
123b304883103b21
13151114b270ab9a
1476077392b8357
1533a939a70145d
hex17f2de81a9689

421310121023113 has 32 divisors (see below), whose sum is σ = 510170474280960. Its totient is φ = 340106567834880.

The previous prime is 421310121023063. The next prime is 421310121023131. The reversal of 421310121023113 is 311320121013124.

It is not a de Polignac number, because 421310121023113 - 29 = 421310121022601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421310221023113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13792858 + ... + 32138188.

It is an arithmetic number, because the mean of its divisors is an integer number (15942827321280).

Almost surely, 2421310121023113 is an apocalyptic number.

It is an amenable number.

421310121023113 is a deficient number, since it is larger than the sum of its proper divisors (88860353257847).

421310121023113 is a wasteful number, since it uses less digits than its factorization.

421310121023113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18347557.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 421310121023113 its reverse (311320121013124), we get a palindrome (732630242036237).

The spelling of 421310121023113 in words is "four hundred twenty-one trillion, three hundred ten billion, one hundred twenty-one million, twenty-three thousand, one hundred thirteen".

Divisors: 1 7 23 67 161 469 1541 2129 10787 14903 48967 142643 342769 998501 3280789 18345331 22965523 128417317 421942613 1229137177 2953598291 8603960239 28270155071 39057209699 197891085497 273400467893 898315823077 2616833049833 6288210761539 18317831348831 60187160146159 421310121023113