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10212202331 = 23444008797
BaseRepresentation
bin10011000001011000…
…11101011101011011
3222100201001121222222
421200230131131123
5131403310433311
64405202534255
7511032200432
oct114054353533
928321047888
1010212202331
114370581841
121b9006738b
13c69957896
146cc400119
153eb827adb
hex260b1d75b

10212202331 has 4 divisors (see below), whose sum is σ = 10656211152. Its totient is φ = 9768193512.

The previous prime is 10212202321. The next prime is 10212202337. The reversal of 10212202331 is 13320221201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10212202331 - 218 = 10211940187 is a prime.

It is a super-2 number, since 2×102122023312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212202337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222004376 + ... + 222004421.

It is an arithmetic number, because the mean of its divisors is an integer number (2664052788).

Almost surely, 210212202331 is an apocalyptic number.

10212202331 is a deficient number, since it is larger than the sum of its proper divisors (444008821).

10212202331 is an equidigital number, since it uses as much as digits as its factorization.

10212202331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444008820.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10212202331 its reverse (13320221201), we get a palindrome (23532423532).

The spelling of 10212202331 in words is "ten billion, two hundred twelve million, two hundred two thousand, three hundred thirty-one".

Divisors: 1 23 444008797 10212202331