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230442666181 = 7132532336991
BaseRepresentation
bin1101011010011101110…
…1000000100011000101
3211000210221112100201021
43112213131000203011
512233421310304211
6253510334031141
722435404225550
oct3264735004305
9730727470637
10230442666181
1189803971952
12387b29484b1
1318966313b10
14b221239697
155edad8d771
hex35a77408c5

230442666181 has 8 divisors (see below), whose sum is σ = 283621743104. Its totient is φ = 182328263280.

The previous prime is 230442666151. The next prime is 230442666187. The reversal of 230442666181 is 181666244032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230442666181 - 225 = 230409111749 is a prime.

It is a super-2 number, since 2×2304426661812 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230442666187) 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, 1266168405 + ... + 1266168586.

It is an arithmetic number, because the mean of its divisors is an integer number (35452717888).

Almost surely, 2230442666181 is an apocalyptic number.

It is an amenable number.

230442666181 is a deficient number, since it is larger than the sum of its proper divisors (53179076923).

230442666181 is a wasteful number, since it uses less digits than its factorization.

230442666181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532337011.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 230442666181 in words is "two hundred thirty billion, four hundred forty-two million, six hundred sixty-six thousand, one hundred eighty-one".

Divisors: 1 7 13 91 2532336991 17726358937 32920380883 230442666181