Search a number
-
+
230210031030 = 23571378001739
BaseRepresentation
bin1101011001100110010…
…1100100110110110110
3211000012201210021021120
43112121211210312312
512232432231443110
6253431303524410
722426550656140
oct3263145446666
9730181707246
10230210031030
11896a46196a1
1238748a59706
131892a071295
14b1dc39dc90
155ec5739870
hex3599964db6

230210031030 has 64 divisors (see below), whose sum is σ = 636042309120. Its totient is φ = 52235345664.

The previous prime is 230210031017. The next prime is 230210031031. The reversal of 230210031030 is 30130012032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230210031031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3972100 + ... + 4029639.

It is an arithmetic number, because the mean of its divisors is an integer number (9938161080).

Almost surely, 2230210031030 is an apocalyptic number.

230210031030 is an abundant number, since it is smaller than the sum of its proper divisors (405832278090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230210031030 is a wasteful number, since it uses less digits than its factorization.

230210031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001893.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 230210031030 its reverse (30130012032), we get a palindrome (260340043062).

The spelling of 230210031030 in words is "two hundred thirty billion, two hundred ten million, thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 137 210 274 411 685 822 959 1370 1918 2055 2877 4110 4795 5754 9590 14385 28770 8001739 16003478 24005217 40008695 48010434 56012173 80017390 112024346 120026085 168036519 240052170 280060865 336073038 560121730 840182595 1096238243 1680365190 2192476486 3288714729 5481191215 6577429458 7673667701 10962382430 15347335402 16443573645 23021003103 32887147290 38368338505 46042006206 76736677010 115105015515 230210031030