Search a number
-
+
230121010301 = 7213383943231
BaseRepresentation
bin1101011001010001000…
…1111111010001111101
3210222222112021112210112
43112110101333101331
512232241434312201
6253414403515405
722424420212400
oct3262421772175
9728875245715
10230121010301
1189659347046
1238723088b65
13189147a2cb0
14b1d0629d37
155ebca030bb
hex359447f47d

230121010301 has 24 divisors (see below), whose sum is σ = 289036468224. Its totient is φ = 181598185440.

The previous prime is 230121010277. The next prime is 230121010303. The reversal of 230121010301 is 103010121032.

It is not a de Polignac number, because 230121010301 - 234 = 212941141117 is a prime.

It is a super-2 number, since 2×2301210103012 (a number of 24 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230121010303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227645 + ... + 715586.

It is an arithmetic number, because the mean of its divisors is an integer number (12043186176).

Almost surely, 2230121010301 is an apocalyptic number.

It is an amenable number.

230121010301 is a deficient number, since it is larger than the sum of its proper divisors (58915457923).

230121010301 is a wasteful number, since it uses less digits than its factorization.

230121010301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943641 (or 943634 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 230121010301 its reverse (103010121032), we get a palindrome (333131131333).

The spelling of 230121010301 in words is "two hundred thirty billion, one hundred twenty-one million, ten thousand, three hundred one".

Divisors: 1 7 13 49 91 383 637 2681 4979 18767 34853 243971 943231 6602617 12262003 46218319 85834021 361257473 600838147 2528802311 4696347149 17701616177 32874430043 230121010301