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12340424101530 = 23571729147181031
BaseRepresentation
bin1011001110010011101010…
…0110000100111010011010
31121200201210101002020222010
42303210322212010322122
53104141142032222110
642125040152010350
72412365133101310
oct263447246047232
947621711066863
1012340424101530
113a285a9766978
1214737a70909b6
136b690a4005a5
143093cb7680b0
1516600943b020
hexb393a984e9a

12340424101530 has 256 divisors, whose sum is σ = 37100572508160. Its totient is φ = 2561429606400.

The previous prime is 12340424101463. The next prime is 12340424101549. The reversal of 12340424101530 is 3510142404321.

12340424101530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 152252115 + ... + 152333145.

It is an arithmetic number, because the mean of its divisors is an integer number (144924111360).

Almost surely, 212340424101530 is an apocalyptic number.

12340424101530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12340424101530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18550286254080).

12340424101530 is an abundant number, since it is smaller than the sum of its proper divisors (24760148406630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12340424101530 is a wasteful number, since it uses less digits than its factorization.

12340424101530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82565.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 12340424101530 its reverse (3510142404321), we get a palindrome (15850566505851).

The spelling of 12340424101530 in words is "twelve trillion, three hundred forty billion, four hundred twenty-four million, one hundred one thousand, five hundred thirty".