Search a number
-
+
230985383401 = 1066721654203
BaseRepresentation
bin1101011100011111001…
…1010011110111101001
3211002012202202020210001
43113013303103313221
512241024224232101
6254040242223001
722455014235523
oct3270763236751
9732182666701
10230985383401
1189a62255383
1238924654a61
1318a218a4476
14b273350a13
15601d843901
hex35c7cd3de9

230985383401 has 4 divisors (see below), whose sum is σ = 231007048272. Its totient is φ = 230963718532.

The previous prime is 230985383383. The next prime is 230985383459. The reversal of 230985383401 is 104383589032.

It can be divided in two parts, 230985 and 383401, that added together give a triangular number (614386 = T1108).

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.

It is a cyclic number.

It is not a de Polignac number, because 230985383401 - 233 = 222395448809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230985383701) 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, 10816435 + ... + 10837768.

It is an arithmetic number, because the mean of its divisors is an integer number (57751762068).

Almost surely, 2230985383401 is an apocalyptic number.

It is an amenable number.

230985383401 is a deficient number, since it is larger than the sum of its proper divisors (21664871).

230985383401 is a wasteful number, since it uses less digits than its factorization.

230985383401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21664870.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 230985383401 in words is "two hundred thirty billion, nine hundred eighty-five million, three hundred eighty-three thousand, four hundred one".

Divisors: 1 10667 21654203 230985383401