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355231145553442 = 21051684116888681
BaseRepresentation
bin101000011000101001011001…
…0001111100110111000100010
31201120202202200022100201011221
41100301102302033212320202
5333030101341230202232
63255302534013325254
7134552413640600224
oct12061226217467042
91646682608321157
10355231145553442
11a3207756898584
1233a12213a9682a
131232a1cba13482
1463a13ca10c414
152b1059d621897
hex14314b23e6e22

355231145553442 has 8 divisors (see below), whose sum is σ = 532846800546732. Its totient is φ = 177615545371200.

The previous prime is 355231145553439. The next prime is 355231145553457. The reversal of 355231145553442 is 244355541132553.

It can be written as a sum of positive squares in 2 ways, for example, as 353576914856881 + 1654230696561 = 18803641^2 + 1286169^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 355231145553442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12589342 + ... + 29478022.

Almost surely, 2355231145553442 is an apocalyptic number.

355231145553442 is a deficient number, since it is larger than the sum of its proper divisors (177615654993290).

355231145553442 is a wasteful number, since it uses less digits than its factorization.

355231145553442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27405524.

The product of its digits is 21600000, while the sum is 52.

Adding to 355231145553442 its reverse (244355541132553), we get a palindrome (599586686685995).

The spelling of 355231145553442 in words is "three hundred fifty-five trillion, two hundred thirty-one billion, one hundred forty-five million, five hundred fifty-three thousand, four hundred forty-two".

Divisors: 1 2 10516841 16888681 21033682 33777362 177615572776721 355231145553442