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481238820756838 = 219103379324414773
BaseRepresentation
bin110110101101011110010010…
…0111101101001110101100110
32100002220222111211221000202001
41231122330210331221311212
51001034104101103204323
64423302021235435514
7203236233412542064
oct15532744475516546
92302828454830661
10481238820756838
1112a3792684a1041
1245b83383455b9a
131786a81a6427b1
1486ba124449034
153a981d594e3ad
hex1b5af24f69d66

481238820756838 has 32 divisors (see below), whose sum is σ = 769252312108800. Its totient is φ = 225146447086176.

The previous prime is 481238820756817. The next prime is 481238820756853. The reversal of 481238820756838 is 838657028832184.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160723981 + ... + 163690792.

It is an arithmetic number, because the mean of its divisors is an integer number (24039134753400).

Almost surely, 2481238820756838 is an apocalyptic number.

481238820756838 is a deficient number, since it is larger than the sum of its proper divisors (288013491351962).

481238820756838 is a wasteful number, since it uses less digits than its factorization.

481238820756838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324415276.

The product of its (nonzero) digits is 990904320, while the sum is 73.

The spelling of 481238820756838 in words is "four hundred eighty-one trillion, two hundred thirty-eight billion, eight hundred twenty million, seven hundred fifty-six thousand, eight hundred thirty-eight".

Divisors: 1 2 19 38 103 206 379 758 1957 3914 7201 14402 39037 78074 741703 1483406 324414773 648829546 6163880687 12327761374 33414721619 66829443238 122953198967 245906397934 634879710761 1269759421522 2336110780373 4672221560746 12664179493601 25328358987202 240619410378419 481238820756838