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354545135334431 = 1769463300240361
BaseRepresentation
bin101000010011101001111100…
…0110110010011010000011111
31201111100011222002002211011122
41100213103320312103100133
5332432331414121200211
63254015441525441155
7134452016653131206
oct12047237066232037
91644304862084148
10354545135334431
11a2a72824a18458
12339212805701bb
13122aa602a17c62
14637a10cbc023d
152aec7ec82e6db
hex14274f8d9341f

354545135334431 has 8 divisors (see below), whose sum is σ = 375406137107424. Its totient is φ = 333684734181120.

The previous prime is 354545135334427. The next prime is 354545135334437. The reversal of 354545135334431 is 134433531545453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 354545135334431 - 22 = 354545135334427 is a prime.

It is a super-3 number, since 3×3545451353344313 (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354545135334437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148939310 + ... + 151301051.

It is an arithmetic number, because the mean of its divisors is an integer number (46925767138428).

Almost surely, 2354545135334431 is an apocalyptic number.

354545135334431 is a deficient number, since it is larger than the sum of its proper divisors (20861001772993).

354545135334431 is a wasteful number, since it uses less digits than its factorization.

354545135334431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300309841.

The product of its digits is 38880000, while the sum is 53.

Adding to 354545135334431 its reverse (134433531545453), we get a palindrome (488978666879884).

The spelling of 354545135334431 in words is "three hundred fifty-four trillion, five hundred forty-five billion, one hundred thirty-five million, three hundred thirty-four thousand, four hundred thirty-one".

Divisors: 1 17 69463 1180871 300240361 5104086137 20855596196143 354545135334431