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213230213434 = 2735149433319
BaseRepresentation
bin1100011010010110000…
…0101101100100111010
3202101101101021011102101
43012211200231210322
511443143413312214
6241542343254014
721256020623560
oct3064540554472
9671341234371
10213230213434
1182480995397
12353aa44a30a
13171522c6334
14a46b255a30
15582ebec774
hex31a582d93a

213230213434 has 16 divisors (see below), whose sum is σ = 365548752000. Its totient is φ = 91381566384.

The previous prime is 213230213401. The next prime is 213230213459. The reversal of 213230213434 is 434312032312.

It is a happy number.

It is a super-2 number, since 2×2132302134342 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275427 + ... + 708745.

It is an arithmetic number, because the mean of its divisors is an integer number (22846797000).

Almost surely, 2213230213434 is an apocalyptic number.

213230213434 is a deficient number, since it is larger than the sum of its proper divisors (152318538566).

213230213434 is a wasteful number, since it uses less digits than its factorization.

213230213434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468477.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 213230213434 its reverse (434312032312), we get a palindrome (647542245746).

The spelling of 213230213434 in words is "two hundred thirteen billion, two hundred thirty million, two hundred thirteen thousand, four hundred thirty-four".

Divisors: 1 2 7 14 35149 70298 246043 433319 492086 866638 3033233 6066466 15230729531 30461459062 106615106717 213230213434