Search a number
-
+
230443216212 = 223111947789633
BaseRepresentation
bin1101011010011101111…
…1000110110101010100
3211000210222120022012210
43112213133012311110
512233421430404322
6253510353513420
722435412006256
oct3264737066524
9730728508183
10230443216212
1189804208120
12387b2b72870
1318966477291
14b22133dcd6
155edae4b70c
hex35a77c6d54

230443216212 has 48 divisors (see below), whose sum is σ = 586619393472. Its totient is φ = 69826913280.

The previous prime is 230443216193. The next prime is 230443216259. The reversal of 230443216212 is 212612344032.

It is a self number, because there is not a number n which added to its sum of digits gives 230443216212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2526148 + ... + 2615780.

It is an arithmetic number, because the mean of its divisors is an integer number (12221237364).

Almost surely, 2230443216212 is an apocalyptic number.

230443216212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230443216212 is an abundant number, since it is smaller than the sum of its proper divisors (356176177260).

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

230443216212 is a wasteful number, since it uses less digits than its factorization.

230443216212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109128 (or 109126 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 230443216212 in words is "two hundred thirty billion, four hundred forty-three million, two hundred sixteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 19477 38954 58431 77908 89633 116862 179266 214247 233724 268899 358532 428494 537798 642741 856988 985963 1075596 1285482 1971926 2570964 2957889 3943852 5915778 11831556 1745781941 3491563882 5237345823 6983127764 10474691646 19203601351 20949383292 38407202702 57610804053 76814405404 115221608106 230443216212