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230421530015 = 547220862067
BaseRepresentation
bin1101011010011000110…
…0011000010110011111
3211000202110202112100022
43112212030120112133
512233400402430030
6253504301022355
722435026455225
oct3264614302637
9730673675308
10230421530015
11897a2a45a46
12387a78549bb
1318961b23501
14b21c4d6b15
155ed90b5de5
hex35a631859f

230421530015 has 12 divisors (see below), whose sum is σ = 282514124856. Its totient is φ = 180415146768.

The previous prime is 230421529981. The next prime is 230421530023. The reversal of 230421530015 is 510035124032.

It is a happy number.

It is not a de Polignac number, because 230421530015 - 28 = 230421529759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10419989 + ... + 10442078.

It is an arithmetic number, because the mean of its divisors is an integer number (23542843738).

Almost surely, 2230421530015 is an apocalyptic number.

230421530015 is a deficient number, since it is larger than the sum of its proper divisors (52092594841).

230421530015 is an equidigital number, since it uses as much as digits as its factorization.

230421530015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20862166 (or 20862119 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 230421530015 its reverse (510035124032), we get a palindrome (740456654047).

The spelling of 230421530015 in words is "two hundred thirty billion, four hundred twenty-one million, five hundred thirty thousand, fifteen".

Divisors: 1 5 47 235 2209 11045 20862067 104310335 980517149 4902585745 46084306003 230421530015