Search a number
-
+
2142321310 = 251949109919
BaseRepresentation
bin111111110110001…
…0011101010011110
312112022011012100201
41333230103222132
513341413240220
6552325214114
7104042300503
oct17754235236
95468135321
102142321310
119aa314788
124b956133a
13281ab815c
141647454aa
15c8126d0a
hex7fb13a9e

2142321310 has 16 divisors (see below), whose sum is σ = 3858192000. Its totient is φ = 856481056.

The previous prime is 2142321287. The next prime is 2142321319. The reversal of 2142321310 is 131232412.

It is a happy number.

It is a super-2 number, since 2×21423213102 = 9179081190560232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142321319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35470 + ... + 74449.

It is an arithmetic number, because the mean of its divisors is an integer number (241137000).

Almost surely, 22142321310 is an apocalyptic number.

2142321310 is a deficient number, since it is larger than the sum of its proper divisors (1715870690).

2142321310 is a wasteful number, since it uses less digits than its factorization.

2142321310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111875.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2142321310 is about 46285.2169704324. The cubic root of 2142321310 is about 1289.1245206528.

Adding to 2142321310 its reverse (131232412), we get a palindrome (2273553722).

The spelling of 2142321310 in words is "two billion, one hundred forty-two million, three hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 1949 3898 9745 19490 109919 219838 549595 1099190 214232131 428464262 1071160655 2142321310