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303431032542 = 231161199378733
BaseRepresentation
bin1000110101001011110…
…01100001111011011110
31002000012122000112120110
410122211321201323132
514432411321020132
6351221100030450
730631206135561
oct4324571417336
91060178015513
10303431032542
111077589a8890
124a982532426
13227c88cb691
1410986aaa4d8
157d5d9e61cc
hex46a5e61ede

303431032542 has 64 divisors (see below), whose sum is σ = 676267430400. Its totient is φ = 89986723200.

The previous prime is 303431032523. The next prime is 303431032577. The reversal of 303431032542 is 245230134303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611808 + ... + 990540.

It is an arithmetic number, because the mean of its divisors is an integer number (10566678600).

Almost surely, 2303431032542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303431032542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338133715200).

303431032542 is an abundant number, since it is smaller than the sum of its proper divisors (372836397858).

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

303431032542 is a wasteful number, since it uses less digits than its factorization.

303431032542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379009.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 303431032542 its reverse (245230134303), we get a palindrome (548661166845).

The spelling of 303431032542 in words is "three hundred three billion, four hundred thirty-one million, thirty-two thousand, five hundred forty-two".

Divisors: 1 2 3 6 11 22 33 61 66 122 183 199 366 398 597 671 1194 1342 2013 2189 4026 4378 6567 12139 13134 24278 36417 72834 133529 267058 378733 400587 757466 801174 1136199 2272398 4166063 8332126 12498189 23102713 24996378 46205426 69308139 75367867 138616278 150735734 226103601 254129843 452207202 508259686 762389529 829046537 1524779058 1658093074 2487139611 4597439887 4974279222 9194879774 13792319661 27584639322 50571838757 101143677514 151715516271 303431032542