Search a number
-
+
230010210031 = 7237245951593
BaseRepresentation
bin1101011000110110101…
…1010100011011101111
3210222200210210022101211
43112031223110123233
512232030103210111
6253355405015251
722421603345500
oct3261553243357
9728623708354
10230010210031
1189601849178
12386b1b54527
13188c784a5c4
14b1bda26ba7
155eb2e18521
hex358dad46ef

230010210031 has 24 divisors (see below), whose sum is σ = 274911405840. Its totient is φ = 191741461632.

The previous prime is 230010209981. The next prime is 230010210071. The reversal of 230010210031 is 130012010032.

It is not a de Polignac number, because 230010210031 - 27 = 230010209903 is a prime.

It is a super-2 number, since 2×2300102100312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230010209993 and 230010210020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230010210071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4432371 + ... + 4483963.

It is an arithmetic number, because the mean of its divisors is an integer number (11454641910).

Almost surely, 2230010210031 is an apocalyptic number.

230010210031 is a deficient number, since it is larger than the sum of its proper divisors (44901195809).

230010210031 is a wasteful number, since it uses less digits than its factorization.

230010210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54103 (or 54096 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 230010210031 its reverse (130012010032), we get a palindrome (360022220063).

The spelling of 230010210031 in words is "two hundred thirty billion, ten million, two hundred ten thousand, thirty-one".

Divisors: 1 7 37 49 259 1813 2459 17213 51593 90983 120491 361151 636881 1908941 2528057 4458167 13362587 93538109 126867187 888070309 4694085919 6216492163 32858601433 230010210031