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1557104582980 = 225233385009963
BaseRepresentation
bin10110101010001010101…
…010100110000101000100
312111212011021222112000101
4112222022222212011010
5201002422233123410
63151153551053444
7220332334401142
oct26521252460504
95455137875011
101557104582980
11550400a41821
1221193b211284
13b3ab0048a8b
145551577c592
152a785815d3a
hex16a8aaa6144

1557104582980 has 24 divisors (see below), whose sum is σ = 3412090043712. Its totient is φ = 595761753312.

The previous prime is 1557104582933. The next prime is 1557104582987. The reversal of 1557104582980 is 892854017551.

It is not an unprimeable number, because it can be changed into a prime (1557104582987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692504522 + ... + 1692505441.

It is an arithmetic number, because the mean of its divisors is an integer number (142170418488).

Almost surely, 21557104582980 is an apocalyptic number.

1557104582980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1557104582980 is an abundant number, since it is smaller than the sum of its proper divisors (1854985460732).

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

1557104582980 is a wasteful number, since it uses less digits than its factorization.

1557104582980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385009995 (or 3385009993 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 55.

The spelling of 1557104582980 in words is "one trillion, five hundred fifty-seven billion, one hundred four million, five hundred eighty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 3385009963 6770019926 13540039852 16925049815 33850099630 67700199260 77855229149 155710458298 311420916596 389276145745 778552291490 1557104582980