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53870367218855 = 511979461222161
BaseRepresentation
bin11000011111110101011000…
…00110100001110010100111
321001201221211111220101000112
430033322230012201302213
524030103003002000410
6310323412143003235
714230001630110625
oct1417725406416247
9231657744811015
1053870367218855
111618a326996590
126060530b9951b
132409c5274b645
14d434a814c515
1563645a142105
hex30feac1a1ca7

53870367218855 has 8 divisors (see below), whose sum is σ = 70521207995664. Its totient is φ = 39178448886400.

The previous prime is 53870367218753. The next prime is 53870367218867. The reversal of 53870367218855 is 55881276307835.

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

It is not a de Polignac number, because 53870367218855 - 218 = 53870366956711 is a prime.

It is a super-2 number, since 2×538703672188552 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

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, 489730611026 + ... + 489730611135.

It is an arithmetic number, because the mean of its divisors is an integer number (8815150999458).

Almost surely, 253870367218855 is an apocalyptic number.

53870367218855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53870367218855 is a deficient number, since it is larger than the sum of its proper divisors (16650840776809).

53870367218855 is a wasteful number, since it uses less digits than its factorization.

53870367218855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979461222177.

The product of its (nonzero) digits is 338688000, while the sum is 68.

The spelling of 53870367218855 in words is "fifty-three trillion, eight hundred seventy billion, three hundred sixty-seven million, two hundred eighteen thousand, eight hundred fifty-five".

Divisors: 1 5 11 55 979461222161 4897306110805 10774073443771 53870367218855