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230211329977 = 401407573511
BaseRepresentation
bin1101011001100110101…
…0100001111110111001
3211000012211020021002201
43112121222201332321
512232433100024402
6253431351430201
722426565006146
oct3263152417671
9730184207081
10230211329977
11896a5326602
1238749385361
131892a4075a5
14b1dc61b3cd
155ec58e4687
hex3599aa1fb9

230211329977 has 4 divisors (see below), whose sum is σ = 230212304896. Its totient is φ = 230210355060.

The previous prime is 230211329939. The next prime is 230211329983. The reversal of 230211329977 is 779923112032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 230211329977 - 215 = 230211297209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230211324977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114652 + ... + 688162.

It is an arithmetic number, because the mean of its divisors is an integer number (57553076224).

Almost surely, 2230211329977 is an apocalyptic number.

It is an amenable number.

230211329977 is a deficient number, since it is larger than the sum of its proper divisors (974919).

230211329977 is an equidigital number, since it uses as much as digits as its factorization.

230211329977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974918.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 230211329977 in words is "two hundred thirty billion, two hundred eleven million, three hundred twenty-nine thousand, nine hundred seventy-seven".

Divisors: 1 401407 573511 230211329977