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13458402342 = 23371117474051
BaseRepresentation
bin11001000100010111…
…01110110000100110
31021201221100200021000
430202023232300212
5210030322333332
610103244134130
7654340350420
oct144213566046
937657320230
1013458402342
115786a0a970
122737237346
131366350ca8
149195b3810
1553b7eeb7c
hex3222eec26

13458402342 has 256 divisors, whose sum is σ = 40330690560. Its totient is φ = 3219264000.

The previous prime is 13458402299. The next prime is 13458402361. The reversal of 13458402342 is 24320485431.

13458402342 is a `hidden beast` number, since 1 + 34 + 584 + 0 + 2 + 3 + 42 = 666.

It is a super-2 number, since 2×134584023422 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13458402297 and 13458402306.

It is a congruent number.

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, 3320217 + ... + 3324267.

It is an arithmetic number, because the mean of its divisors is an integer number (157541760).

Almost surely, 213458402342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13458402342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20165345280).

13458402342 is an abundant number, since it is smaller than the sum of its proper divisors (26872288218).

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

13458402342 is a wasteful number, since it uses less digits than its factorization.

13458402342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 13458402342 its reverse (24320485431), we get a palindrome (37778887773).

The spelling of 13458402342 in words is "thirteen billion, four hundred fifty-eight million, four hundred two thousand, three hundred forty-two".