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230431201412 = 22972333325453
BaseRepresentation
bin1101011010011011000…
…1010001100010000100
3211000210010221220000012
43112212301101202010
512233410341421122
6253505244205352
722435204615556
oct3264661214204
9730703856005
10230431201412
11897a8451235
12387aab39858
1318963b2b629
14b21d8d34d6
155ed9d767e2
hex35a6c51884

230431201412 has 24 divisors (see below), whose sum is σ = 407445334296. Its totient is φ = 114018444288.

The previous prime is 230431201339. The next prime is 230431201417. The reversal of 230431201412 is 214102134032.

It can be written as a sum of positive squares in 4 ways, for example, as 984453376 + 229446748036 = 31376^2 + 479006^2 .

It is not an unprimeable number, because it can be changed into a prime (230431201417) 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, 9040478 + ... + 9065930.

It is an arithmetic number, because the mean of its divisors is an integer number (16976888929).

Almost surely, 2230431201412 is an apocalyptic number.

It is an amenable number.

230431201412 is a deficient number, since it is larger than the sum of its proper divisors (177014132884).

230431201412 is a wasteful number, since it uses less digits than its factorization.

230431201412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48887 (or 48885 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 230431201412 its reverse (214102134032), we get a palindrome (444533335444).

The spelling of 230431201412 in words is "two hundred thirty billion, four hundred thirty-one million, two hundred one thousand, four hundred twelve".

Divisors: 1 2 4 97 194 388 23333 25453 46666 50906 93332 101812 2263301 2468941 4526602 4937882 9053204 9875764 593894849 1187789698 2375579396 57607800353 115215600706 230431201412