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42231000230 = 2531136229033
BaseRepresentation
bin100111010101001010…
…011110110010100110
311001000011002002110122
4213111022132302212
51142442114001410
631222312521542
73023344402436
oct472512366246
9131004062418
1042231000230
1116a01331591
1282270b02b2
133ca0349243
1420889d82c6
1511727c8e55
hex9d529eca6

42231000230 has 16 divisors (see below), whose sum is σ = 78467923584. Its totient is φ = 16347483840.

The previous prime is 42231000197. The next prime is 42231000239. The reversal of 42231000230 is 3200013224.

It is a junction number, because it is equal to n+sod(n) for n = 42231000199 and 42231000208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42231000239) 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 7 ways as a sum of consecutive naturals, for example, 68114207 + ... + 68114826.

It is an arithmetic number, because the mean of its divisors is an integer number (4904245224).

Almost surely, 242231000230 is an apocalyptic number.

42231000230 is a deficient number, since it is larger than the sum of its proper divisors (36236923354).

42231000230 is a wasteful number, since it uses less digits than its factorization.

42231000230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136229071.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 42231000230 its reverse (3200013224), we get a palindrome (45431013454).

The spelling of 42231000230 in words is "forty-two billion, two hundred thirty-one million, two hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 10 31 62 155 310 136229033 272458066 681145165 1362290330 4223100023 8446200046 21115500115 42231000230