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2141718880 = 25575932411
BaseRepresentation
bin111111110101000…
…0000100101100000
312112021000120222111
41333222000211200
513341240001010
6552304245104
7104034211240
oct17752004540
95467016874
102141718880
119a9a43104
124b9310794
13281936ba2
14164629b20
15c805858a
hex7fa80960

2141718880 has 96 divisors (see below), whose sum is σ = 5880833280. Its totient is φ = 721835520.

The previous prime is 2141718857. The next prime is 2141718883. The reversal of 2141718880 is 888171412.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141718883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49875 + ... + 82285.

It is an arithmetic number, because the mean of its divisors is an integer number (61258680).

Almost surely, 22141718880 is an apocalyptic number.

2141718880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141718880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940416640).

2141718880 is an abundant number, since it is smaller than the sum of its proper divisors (3739114400).

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

2141718880 is a wasteful number, since it uses less digits than its factorization.

2141718880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32492 (or 32484 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 40.

The square root of 2141718880 is about 46278.7087114582. The cubic root of 2141718880 is about 1289.0036735312.

The spelling of 2141718880 in words is "two billion, one hundred forty-one million, seven hundred eighteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 59 70 80 112 118 140 160 224 236 280 295 413 472 560 590 826 944 1120 1180 1652 1888 2065 2360 3304 4130 4720 6608 8260 9440 13216 16520 32411 33040 64822 66080 129644 162055 226877 259288 324110 453754 518576 648220 907508 1037152 1134385 1296440 1815016 1912249 2268770 2592880 3630032 3824498 4537540 5185760 7260064 7648996 9075080 9561245 13385743 15297992 18150160 19122490 26771486 30595984 36300320 38244980 53542972 61191968 66928715 76489960 107085944 133857430 152979920 214171888 267714860 305959840 428343776 535429720 1070859440 2141718880