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53243445442 = 21118170918859
BaseRepresentation
bin110001100101100011…
…101000000011000010
312002102121221021022211
4301211203220003002
51333020310223232
640243143452334
73563264550625
oct614543500302
9162377837284
1053243445442
112064259a680
12a39b1570aa
135036a10405
1428113c7dbc
1515b94c5a47
hexc658e80c2

53243445442 has 32 divisors (see below), whose sum is σ = 87735211200. Its totient is φ = 24032635200.

The previous prime is 53243445439. The next prime is 53243445467. The reversal of 53243445442 is 24454434235.

It is a junction number, because it is equal to n+sod(n) for n = 53243445395 and 53243445404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2813809 + ... + 2832667.

It is an arithmetic number, because the mean of its divisors is an integer number (2741725350).

Almost surely, 253243445442 is an apocalyptic number.

53243445442 is a deficient number, since it is larger than the sum of its proper divisors (34491765758).

53243445442 is a wasteful number, since it uses less digits than its factorization.

53243445442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19762.

The product of its digits is 921600, while the sum is 40.

Adding to 53243445442 its reverse (24454434235), we get a palindrome (77697879677).

The spelling of 53243445442 in words is "fifty-three billion, two hundred forty-three million, four hundred forty-five thousand, four hundred forty-two".

Divisors: 1 2 11 22 181 362 709 1418 1991 3982 7799 15598 18859 37718 128329 207449 256658 414898 1411619 2823238 3413479 6826958 13371031 26742062 37548269 75096538 147081341 294162682 2420156611 4840313222 26621722721 53243445442