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230132123221 = 71113617372613
BaseRepresentation
bin1101011001010011110…
…0011000011001010101
3211000000022012010212011
43112110330120121111
512232302310420341
6253415442024221
722424613525520
oct3262474303125
9730008163764
10230132123221
1189664647380
1238726948071
1318916b942a0
14b1d1cbdbb7
155ebd99ab81
hex3594f18655

230132123221 has 32 divisors (see below), whose sum is σ = 309490207488. Its totient is φ = 165260874240.

The previous prime is 230132123219. The next prime is 230132123239. The reversal of 230132123221 is 122321231032.

230132123221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230132123221 - 21 = 230132123219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230132123192 and 230132123201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230132123261) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 431311 + ... + 803923.

It is an arithmetic number, because the mean of its divisors is an integer number (9671568984).

Almost surely, 2230132123221 is an apocalyptic number.

It is an amenable number.

230132123221 is a deficient number, since it is larger than the sum of its proper divisors (79358084267).

230132123221 is a wasteful number, since it uses less digits than its factorization.

230132123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373261.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 230132123221 its reverse (122321231032), we get a palindrome (352453354253).

It can be divided in two parts, 230132 and 123221, that added together give a palindrome (353353).

The spelling of 230132123221 in words is "two hundred thirty billion, one hundred thirty-two million, one hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 7 11 13 77 91 143 617 1001 4319 6787 8021 47509 56147 88231 372613 617617 2608291 4098743 4843969 28691201 33907783 53283659 229902221 372985613 1609315547 2528924431 2988728873 17702471017 20921102111 32876017603 230132123221