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230211223144 = 2376136706223
BaseRepresentation
bin1101011001100110101…
…0000111111001101000
3211000012211000211112221
43112121222013321220
512232433033120034
6253431345243424
722426564052530
oct3263152077150
9730184024487
10230211223144
11896a5263311
1238749333574
131892a39aa86
14b1dc5d04c0
155ec58c2bb4
hex3599a87e68

230211223144 has 32 divisors (see below), whose sum is σ = 494114584320. Its totient is φ = 98500988736.

The previous prime is 230211223139. The next prime is 230211223147. The reversal of 230211223144 is 441322112032.

It is a super-2 number, since 2×2302112231442 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230211223147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318784 + ... + 3387439.

It is an arithmetic number, because the mean of its divisors is an integer number (15441080760).

Almost surely, 2230211223144 is an apocalyptic number.

It is an amenable number.

230211223144 is an abundant number, since it is smaller than the sum of its proper divisors (263903361176).

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

230211223144 is a wasteful number, since it uses less digits than its factorization.

230211223144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706849 (or 6706845 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 230211223144 its reverse (441322112032), we get a palindrome (671533335176).

The spelling of 230211223144 in words is "two hundred thirty billion, two hundred eleven million, two hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 613 1226 2452 4291 4904 8582 17164 34328 6706223 13412446 26824892 46943561 53649784 93887122 187774244 375548488 4110914699 8221829398 16443658796 28776402893 32887317592 57552805786 115105611572 230211223144