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12030303210 = 2353714972739
BaseRepresentation
bin10110011010000111…
…11101101111101010
31011001102010201112120
423031003331233222
5144114224200320
65305431052110
7604056614202
oct131503755752
934042121476
1012030303210
115113879952
1223b8b11036
131199514813
14821a69402
154a6259440
hex2cd0fdbea

12030303210 has 64 divisors (see below), whose sum is σ = 29852496000. Its totient is φ = 3100384512.

The previous prime is 12030303193. The next prime is 12030303221. The reversal of 12030303210 is 1230303021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12030303210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129021 + ... + 201759.

It is an arithmetic number, because the mean of its divisors is an integer number (466445250).

Almost surely, 212030303210 is an apocalyptic number.

12030303210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12030303210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14926248000).

12030303210 is an abundant number, since it is smaller than the sum of its proper divisors (17822192790).

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

12030303210 is a wasteful number, since it uses less digits than its factorization.

12030303210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72935.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12030303210 its reverse (1230303021), we get a palindrome (13260606231).

The spelling of 12030303210 in words is "twelve billion, thirty million, three hundred three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 149 185 222 298 370 447 555 745 894 1110 1490 2235 4470 5513 11026 16539 27565 33078 55130 72739 82695 145478 165390 218217 363695 436434 727390 1091085 2182170 2691343 5382686 8074029 10838111 13456715 16148058 21676222 26913430 32514333 40370145 54190555 65028666 80740290 108381110 162571665 325143330 401010107 802020214 1203030321 2005050535 2406060642 4010101070 6015151605 12030303210