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230430615666 = 23173851586633
BaseRepresentation
bin1101011010011010111…
…1000010100001110010
3211000210002212010111220
43112212233002201302
512233410214200131
6253505223445510
722435166626056
oct3264657024162
9730702763456
10230430615666
11897a8091149
12387aa8b6896
1318963984b34
14b21d7bdc66
155ed9cace96
hex35a6bc2872

230430615666 has 32 divisors (see below), whose sum is σ = 488098260288. Its totient is φ = 72273062400.

The previous prime is 230430615647. The next prime is 230430615691. The reversal of 230430615666 is 666516034032.

It is a happy number.

230430615666 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-3 number, since 3×2304306156663 (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

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, 99486 + ... + 686118.

It is an arithmetic number, because the mean of its divisors is an integer number (15253070634).

Almost surely, 2230430615666 is an apocalyptic number.

230430615666 is an abundant number, since it is smaller than the sum of its proper divisors (257667644622).

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

230430615666 is a wasteful number, since it uses less digits than its factorization.

230430615666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590506.

The product of its (nonzero) digits is 466560, while the sum is 42.

Adding to 230430615666 its reverse (666516034032), we get a palindrome (896946649698).

The spelling of 230430615666 in words is "two hundred thirty billion, four hundred thirty million, six hundred fifteen thousand, six hundred sixty-six".

Divisors: 1 2 3 6 17 34 51 102 3851 7702 11553 23106 65467 130934 196401 392802 586633 1173266 1759899 3519798 9972761 19945522 29918283 59836566 2259123683 4518247366 6777371049 13554742098 38405102611 76810205222 115215307833 230430615666