Search a number
-
+
12021030302 = 210159999349
BaseRepresentation
bin10110011001000001…
…00101110110011110
31011000202200121111112
423030200211312132
5144104340432202
65304500222022
7603615033401
oct131440456636
934022617445
1012021030302
115109615a96
1223b599a912
131197618ba8
14820733d38
154a5526b52
hex2cc825d9e

12021030302 has 16 divisors (see below), whose sum is σ = 18240660000. Its totient is φ = 5941010400.

The previous prime is 12021030269. The next prime is 12021030311. The reversal of 12021030302 is 20303012021.

It is a happy number.

12021030302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×120210303022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71324 + ... + 170672.

It is an arithmetic number, because the mean of its divisors is an integer number (1140041250).

Almost surely, 212021030302 is an apocalyptic number.

12021030302 is a deficient number, since it is larger than the sum of its proper divisors (6219629698).

12021030302 is a wasteful number, since it uses less digits than its factorization.

12021030302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100051.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12021030302 its reverse (20303012021), we get a palindrome (32324042323).

The spelling of 12021030302 in words is "twelve billion, twenty-one million, thirty thousand, three hundred two".

Divisors: 1 2 101 202 599 1198 60499 99349 120998 198698 10034249 20068498 59510051 119020102 6010515151 12021030302