Search a number
-
+
230201303293 = 13177718775309
BaseRepresentation
bin1101011001100100010…
…0010010000011111101
3211000012010100212002001
43112121010102003331
512232423013201133
6253430352502301
722426413535633
oct3263104220375
9730163325061
10230201303293
118969a6a8395
1238745b4a991
1318928306840
14b1db16b353
155ec4ab387d
hex35991120fd

230201303293 has 16 divisors (see below), whose sum is σ = 248227504560. Its totient is φ = 212220804096.

The previous prime is 230201303237. The next prime is 230201303327. The reversal of 230201303293 is 392303102032.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 51341668569 + 178859634724 = 226587^2 + 422918^2 .

It is a cyclic number.

It is not a de Polignac number, because 230201303293 - 217 = 230201172221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230201303203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43357923 + ... + 43363231.

It is an arithmetic number, because the mean of its divisors is an integer number (15514219035).

Almost surely, 2230201303293 is an apocalyptic number.

It is an amenable number.

230201303293 is a deficient number, since it is larger than the sum of its proper divisors (18026201267).

230201303293 is a wasteful number, since it uses less digits than its factorization.

230201303293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 230201303293 in words is "two hundred thirty billion, two hundred one million, three hundred three thousand, two hundred ninety-three".

Divisors: 1 13 1777 1877 5309 23101 24401 69017 3335429 9434093 9964993 43360577 122643209 129544909 17707792561 230201303293