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2098559980 = 2251156316943
BaseRepresentation
bin111110100010101…
…0111101111101100
312102020210220002201
41331011113233230
513244212404410
6544123231244
7103001315446
oct17505275754
95366726081
102098559980
119876451a0
124a6978524
13275a0558a
1415c9d3496
15c438083a
hex7d157bec

2098559980 has 48 divisors (see below), whose sum is σ = 4816433664. Its totient is φ = 761712320.

The previous prime is 2098559933. The next prime is 2098560017. The reversal of 2098559980 is 899558902.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 115389 + ... + 132331.

It is an arithmetic number, because the mean of its divisors is an integer number (100342368).

Almost surely, 22098559980 is an apocalyptic number.

2098559980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2098559980 is an abundant number, since it is smaller than the sum of its proper divisors (2717873684).

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

2098559980 is a wasteful number, since it uses less digits than its factorization.

2098559980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17526 (or 17524 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 55.

The square root of 2098559980 is about 45810.0423488126. The cubic root of 2098559980 is about 1280.2863901819.

The spelling of 2098559980 in words is "two billion, ninety-eight million, five hundred fifty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 563 1126 2252 2815 5630 6193 11260 12386 16943 24772 30965 33886 61930 67772 84715 123860 169430 186373 338860 372746 745492 931865 1863730 3727460 9538909 19077818 38155636 47694545 95389090 104927999 190778180 209855998 419711996 524639995 1049279990 2098559980