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210312023230 = 25231699538199
BaseRepresentation
bin1100001111011110010…
…0101100110010111110
3202002212000011202000201
43003313210230302332
511421204334220410
6240341020314114
721123504462451
oct3036744546276
9662760152021
10210312023230
1181213721951
12349150a293a
1316aa8856b7a
14a271867498
15570d91883a
hex30f792ccbe

210312023230 has 32 divisors (see below), whose sum is σ = 395254080000. Its totient is φ = 80419697952.

The previous prime is 210312023221. The next prime is 210312023231. The reversal of 210312023230 is 32320213012.

It is a super-2 number, since 2×2103120232302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210312023198 and 210312023207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210312023231) 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, 121671 + ... + 659869.

It is an arithmetic number, because the mean of its divisors is an integer number (12351690000).

Almost surely, 2210312023230 is an apocalyptic number.

210312023230 is a deficient number, since it is larger than the sum of its proper divisors (184942056770).

210312023230 is a wasteful number, since it uses less digits than its factorization.

210312023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539928.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 210312023230 its reverse (32320213012), we get a palindrome (242632236242).

The spelling of 210312023230 in words is "two hundred ten billion, three hundred twelve million, twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 1699 3398 8495 16990 39077 78154 195385 390770 538199 1076398 2690995 5381990 12378577 24757154 61892885 123785770 914400101 1828800202 4572000505 9144001010 21031202323 42062404646 105156011615 210312023230