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2680033080 = 233531720439
BaseRepresentation
bin1001111110111110…
…0000111100111000
320220202221210020110
42133233200330320
520442042024310
61121534224320
7123261622344
oct23757407470
96822853213
102680033080
11115589957a
126296550a0
133393153ba
141b5d16624
1510a43dd20
hex9fbe0f38

2680033080 has 64 divisors (see below), whose sum is σ = 8299468800. Its totient is φ = 691620480.

The previous prime is 2680033043. The next prime is 2680033127. The reversal of 2680033080 is 803300862.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356500 + ... + 363939.

It is an arithmetic number, because the mean of its divisors is an integer number (129679200).

Almost surely, 22680033080 is an apocalyptic number.

2680033080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2680033080 is an abundant number, since it is smaller than the sum of its proper divisors (5619435720).

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

2680033080 is a wasteful number, since it uses less digits than its factorization.

2680033080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720484 (or 720480 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2680033080 is about 51769.0359191670. The cubic root of 2680033080 is about 1389.0356266464.

The spelling of 2680033080 in words is "two billion, six hundred eighty million, thirty-three thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 720439 1440878 2161317 2881756 3602195 4322634 5763512 7204390 8645268 10806585 14408780 17290536 21613170 22333609 28817560 43226340 44667218 67000827 86452680 89334436 111668045 134001654 178668872 223336090 268003308 335004135 446672180 536006616 670008270 893344360 1340016540 2680033080