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12342013453 = 7111011586989
BaseRepresentation
bin10110111111010010…
…00010111000001101
31011212010200020121101
423133221002320031
5200234023412303
65400404103101
7614563245340
oct133751027015
934763606541
1012342013453
115263821420
122485394a91
131218c82753
1485120a457
154c37ccd1d
hex2dfa42e0d

12342013453 has 16 divisors (see below), whose sum is σ = 15539806080. Its totient is φ = 9521928000.

The previous prime is 12342013423. The next prime is 12342013469. The reversal of 12342013453 is 35431024321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12342013453 - 217 = 12341882381 is a prime.

It is a super-3 number, since 3×123420134533 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342013403) 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, 785718 + ... + 801271.

It is an arithmetic number, because the mean of its divisors is an integer number (971237880).

Almost surely, 212342013453 is an apocalyptic number.

It is an amenable number.

12342013453 is a deficient number, since it is larger than the sum of its proper divisors (3197792627).

12342013453 is a wasteful number, since it uses less digits than its factorization.

12342013453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587108.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12342013453 its reverse (35431024321), we get a palindrome (47773037774).

The spelling of 12342013453 in words is "twelve billion, three hundred forty-two million, thirteen thousand, four hundred fifty-three".

Divisors: 1 7 11 77 101 707 1111 7777 1586989 11108923 17456879 122198153 160285889 1122001223 1763144779 12342013453