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230144402220 = 22355965012543
BaseRepresentation
bin1101011001010110101…
…1001110001100101100
3211000001011021222110220
43112111223032030230
512232313431332340
6253421001131340
722425123066405
oct3262553161454
9730034258426
10230144402220
1189670573807
123872aa89b50
13189195a3275
14b1d37989ac
155ebeac3ed0
hex3595ace32c

230144402220 has 48 divisors (see below), whose sum is σ = 655326443520. Its totient is φ = 60331638976.

The previous prime is 230144402197. The next prime is 230144402249. The reversal of 230144402220 is 22204441032.

It is a super-2 number, since 2×2301444022202 (a number of 24 digits) contains 22 as substring.

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, 32502732 + ... + 32509811.

It is an arithmetic number, because the mean of its divisors is an integer number (13652634240).

Almost surely, 2230144402220 is an apocalyptic number.

230144402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230144402220 is an abundant number, since it is smaller than the sum of its proper divisors (425182041300).

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

230144402220 is a wasteful number, since it uses less digits than its factorization.

230144402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65012614 (or 65012612 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 230144402220 its reverse (22204441032), we get a palindrome (252348843252).

The spelling of 230144402220 in words is "two hundred thirty billion, one hundred forty-four million, four hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 65012543 130025086 195037629 260050172 325062715 390075258 650125430 780150516 975188145 1300250860 1950376290 3835740037 3900752580 7671480074 11507220111 15342960148 19178700185 23014440222 38357400370 46028880444 57536100555 76714800740 115072201110 230144402220