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1980996200 = 235296710243
BaseRepresentation
bin111011000010011…
…1001101001101000
312010001121000220122
41312010321221220
513024113334300
6524323342412
7100043122061
oct16604715150
95101530818
101980996200
11927247847
12473521a08
13257552501
1414b14d568
15b8dabc85
hex76139a68

1980996200 has 48 divisors (see below), whose sum is σ = 4611029280. Its totient is φ = 791501760.

The previous prime is 1980996151. The next prime is 1980996203. The reversal of 1980996200 is 26990891.

It is not an unprimeable number, because it can be changed into a prime (1980996203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188279 + ... + 198521.

It is an arithmetic number, because the mean of its divisors is an integer number (96063110).

Almost surely, 21980996200 is an apocalyptic number.

1980996200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1980996200 is an abundant number, since it is smaller than the sum of its proper divisors (2630033080).

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

1980996200 is a wasteful number, since it uses less digits than its factorization.

1980996200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226 (or 11217 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 1980996200 is about 44508.3834799693. The cubic root of 1980996200 is about 1255.9177955449.

The spelling of 1980996200 in words is "one billion, nine hundred eighty million, nine hundred ninety-six thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 967 1934 3868 4835 7736 9670 10243 19340 20486 24175 38680 40972 48350 51215 81944 96700 102430 193400 204860 256075 409720 512150 1024300 2048600 9904981 19809962 39619924 49524905 79239848 99049810 198099620 247624525 396199240 495249050 990498100 1980996200