Search a number
-
+
2145151030 = 251130236451
BaseRepresentation
bin111111111011100…
…0110100000110110
312112111110222000011
41333313012200312
513343124313110
6552510010434
7104105324431
oct17767064066
95474428004
102145151030
11a009777a0
124ba4a6a1a
13282569149
14164c80818
15c84d548a
hex7fdc6836

2145151030 has 32 divisors (see below), whose sum is σ = 4214343168. Its totient is φ = 779676000.

The previous prime is 2145150971. The next prime is 2145151033. The reversal of 2145151030 is 301515412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2145150992 and 2145151010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145151033) by changing a digit.

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, 329305 + ... + 335755.

It is an arithmetic number, because the mean of its divisors is an integer number (131698224).

Almost surely, 22145151030 is an apocalyptic number.

2145151030 is a deficient number, since it is larger than the sum of its proper divisors (2069192138).

2145151030 is a wasteful number, since it uses less digits than its factorization.

2145151030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9492.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2145151030 is about 46315.7751743399. The cubic root of 2145151030 is about 1289.6918579747.

Adding to 2145151030 its reverse (301515412), we get a palindrome (2446666442).

The spelling of 2145151030 in words is "two billion, one hundred forty-five million, one hundred fifty-one thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 3023 6046 6451 12902 15115 30230 32255 33253 64510 66506 70961 141922 166265 332530 354805 709610 19501373 39002746 97506865 195013730 214515103 429030206 1072575515 2145151030