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230431430402 = 2831388141147
BaseRepresentation
bin1101011010011011001…
…0001001011100000010
3211000210011101112010022
43112212302021130002
512233410421233102
6253505253133442
722435206561305
oct3264662113402
9730704345108
10230431430402
11897a8598288
12387ab02a282
1318963bab924
14b21d952b3c
155ed9dbe5a2
hex35a6c89702

230431430402 has 8 divisors (see below), whose sum is σ = 349811569296. Its totient is φ = 113827573972.

The previous prime is 230431430381. The next prime is 230431430407. The reversal of 230431430402 is 204034134032.

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

It is a super-2 number, since 2×2304314304022 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230431430407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694070408 + ... + 694070739.

It is an arithmetic number, because the mean of its divisors is an integer number (43726446162).

Almost surely, 2230431430402 is an apocalyptic number.

230431430402 is a deficient number, since it is larger than the sum of its proper divisors (119380138894).

230431430402 is a wasteful number, since it uses less digits than its factorization.

230431430402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388141232.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 230431430402 its reverse (204034134032), we get a palindrome (434465564434).

The spelling of 230431430402 in words is "two hundred thirty billion, four hundred thirty-one million, four hundred thirty thousand, four hundred two".

Divisors: 1 2 83 166 1388141147 2776282294 115215715201 230431430402