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55134431143430 = 2532531694879531
BaseRepresentation
bin11001000100100111111000…
…01011101110011000000110
321020012210121022012001020012
430202103330023232120012
524211310303333042210
6313132224043510222
714420221413146162
oct1442237413563006
9236183538161205
1055134431143430
1116627421035391
126225509528372
13249c201707312
14d88740b5dca2
1565928e231305
hex3224fc2ee606

55134431143430 has 16 divisors (see below), whose sum is σ = 99272483948304. Its totient is φ = 22046992926240.

The previous prime is 55134431143409. The next prime is 55134431143483. The reversal of 55134431143430 is 3434113443155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847407236 + ... + 847472295.

It is an arithmetic number, because the mean of its divisors is an integer number (6204530246769).

Almost surely, 255134431143430 is an apocalyptic number.

55134431143430 is a deficient number, since it is larger than the sum of its proper divisors (44138052804874).

55134431143430 is a wasteful number, since it uses less digits than its factorization.

55134431143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694882791.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 55134431143430 its reverse (3434113443155), we get a palindrome (58568544586585).

The spelling of 55134431143430 in words is "fifty-five trillion, one hundred thirty-four billion, four hundred thirty-one million, one hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 3253 6506 16265 32530 1694879531 3389759062 8474397655 16948795310 5513443114343 11026886228686 27567215571715 55134431143430