Search a number
-
+
2159907210 = 232573328753
BaseRepresentation
bin1000000010111101…
…1001000110001010
312120112020122200100
42000233121012022
513410414012320
6554154150230
7104344623366
oct20057310612
95515218610
102159907210
11a0923628a
12503422376
13285634806
14166c022a6
15c994c790
hex80bd918a

2159907210 has 48 divisors (see below), whose sum is σ = 5692704264. Its totient is φ = 568083456.

The previous prime is 2159907203. The next prime is 2159907229. The reversal of 2159907210 is 127099512.

It can be written as a sum of positive squares in 4 ways, for example, as 1146567321 + 1013339889 = 33861^2 + 31833^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157807 + ... + 170946.

Almost surely, 22159907210 is an apocalyptic number.

2159907210 is an abundant number, since it is smaller than the sum of its proper divisors (3532797054).

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

2159907210 is a wasteful number, since it uses less digits than its factorization.

2159907210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328839 (or 328836 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 2159907210 is about 46474.8018823104. The cubic root of 2159907210 is about 1292.6423035694.

The spelling of 2159907210 in words is "two billion, one hundred fifty-nine million, nine hundred seven thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 73 90 146 219 365 438 657 730 1095 1314 2190 3285 6570 328753 657506 986259 1643765 1972518 2958777 3287530 4931295 5917554 9862590 14793885 23998969 29587770 47997938 71996907 119994845 143993814 215990721 239989690 359984535 431981442 719969070 1079953605 2159907210