Search a number
-
+
2142311000 = 235310121211
BaseRepresentation
bin111111110110001…
…0001001001011000
312112022010200012212
41333230101021120
513341412423000
6552325054252
7104042225444
oct17754211130
95468120185
102142311000
119aa307a65
124b9557388
13281ab355b
14164741824
15c8123c35
hex7fb11258

2142311000 has 64 divisors (see below), whose sum is σ = 5062880160. Its totient is φ = 848400000.

The previous prime is 2142310999. The next prime is 2142311027. The reversal of 2142311000 is 1132412.

It is a congruent number.

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, 90395 + ... + 111605.

Almost surely, 22142311000 is an apocalyptic number.

2142311000 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 2142311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2531440080).

2142311000 is an abundant number, since it is smaller than the sum of its proper divisors (2920569160).

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

2142311000 is a wasteful number, since it uses less digits than its factorization.

2142311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21333 (or 21319 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2142311000 is about 46285.1055956449. The cubic root of 2142311000 is about 1289.1224526631.

Adding to 2142311000 its reverse (1132412), we get a palindrome (2143443412).

It can be divided in two parts, 21423 and 11000, that added together give a palindrome (32423).

The spelling of 2142311000 in words is "two billion, one hundred forty-two million, three hundred eleven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 101 125 200 202 250 404 500 505 808 1000 1010 2020 2525 4040 5050 10100 12625 20200 21211 25250 42422 50500 84844 101000 106055 169688 212110 424220 530275 848440 1060550 2121100 2142311 2651375 4242200 4284622 5302750 8569244 10605500 10711555 17138488 21211000 21423110 42846220 53557775 85692440 107115550 214231100 267788875 428462200 535577750 1071155500 2142311000