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2142014240 = 255291792579
BaseRepresentation
bin111111110101100…
…1000101100100000
312112021120121010202
41333223020230200
513341323423430
6552314444332
7104036551322
oct17753105440
95467517122
102142014240
119aa125003
124b94336a8
13281a0b462
141646a5612
15c80b5d45
hex7fac8b20

2142014240 has 96 divisors (see below), whose sum is σ = 5266296000. Its totient is φ = 822320128.

The previous prime is 2142014227. The next prime is 2142014261. The reversal of 2142014240 is 424102412.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 829271 + ... + 831849.

It is an arithmetic number, because the mean of its divisors is an integer number (54857250).

Almost surely, 22142014240 is an apocalyptic number.

2142014240 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 2142014240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2633148000).

2142014240 is an abundant number, since it is smaller than the sum of its proper divisors (3124281760).

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

2142014240 is a wasteful number, since it uses less digits than its factorization.

2142014240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2142014240 is about 46281.8997017192. The cubic root of 2142014240 is about 1289.0629254135.

Adding to 2142014240 its reverse (424102412), we get a palindrome (2566116652).

The spelling of 2142014240 in words is "two billion, one hundred forty-two million, fourteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 80 116 145 160 179 232 290 358 464 580 716 895 928 1160 1432 1790 2320 2579 2864 3580 4640 5158 5191 5728 7160 10316 10382 12895 14320 20632 20764 25790 25955 28640 41264 41528 51580 51910 74791 82528 83056 103160 103820 149582 166112 206320 207640 299164 373955 412640 415280 461641 598328 747910 830560 923282 1196656 1495820 1846564 2308205 2393312 2991640 3693128 4616410 5983280 7386256 9232820 11966560 13387589 14772512 18465640 26775178 36931280 53550356 66937945 73862560 107100712 133875890 214201424 267751780 428402848 535503560 1071007120 2142014240