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210255314331 = 3371894192021
BaseRepresentation
bin1100001111010000110…
…0010111110110011011
3202002201001110122001010
43003310030113312123
511421100330024311
6240331233025003
721122215453416
oct3036414276633
9662631418033
10210255314331
1181194709697
12348ba0b5163
1316a99b8cbca
14a268104b7d
155708965da6
hex30f4317d9b

210255314331 has 8 divisors (see below), whose sum is σ = 287917187344. Its totient is φ = 136381825440.

The previous prime is 210255314329. The next prime is 210255314341. The reversal of 210255314331 is 133413552012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210255314331 - 21 = 210255314329 is a prime.

It is a super-2 number, since 2×2102553143312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210255314341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947095900 + ... + 947096121.

It is an arithmetic number, because the mean of its divisors is an integer number (35989648418).

Almost surely, 2210255314331 is an apocalyptic number.

210255314331 is a deficient number, since it is larger than the sum of its proper divisors (77661873013).

210255314331 is a wasteful number, since it uses less digits than its factorization.

210255314331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894192061.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 210255314331 its reverse (133413552012), we get a palindrome (343668866343).

The spelling of 210255314331 in words is "two hundred ten billion, two hundred fifty-five million, three hundred fourteen thousand, three hundred thirty-one".

Divisors: 1 3 37 111 1894192021 5682576063 70085104777 210255314331