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10212433331 = 73139896347
BaseRepresentation
bin10011000001011010…
…10101110110110011
3222100201111100212112
421200231111312303
5131403340331311
64405211515535
7511034152052
oct114055256663
928321440775
1010212433331
11437071a351
121b90158bab
13c69a08a79
146cc460399
153eb87128b
hex260b55db3

10212433331 has 4 divisors (see below), whose sum is σ = 10352329752. Its totient is φ = 10072536912.

The previous prime is 10212433327. The next prime is 10212433349. The reversal of 10212433331 is 13333421201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13333421201 = 29345506557.

It is a cyclic number.

It is not a de Polignac number, because 10212433331 - 22 = 10212433327 is a prime.

It is a super-2 number, since 2×102124333312 (a number of 21 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 = 10212433297 and 10212433306.

It is not an unprimeable number, because it can be changed into a prime (10212433321) 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, 69948101 + ... + 69948246.

It is an arithmetic number, because the mean of its divisors is an integer number (2588082438).

Almost surely, 210212433331 is an apocalyptic number.

10212433331 is a deficient number, since it is larger than the sum of its proper divisors (139896421).

10212433331 is an equidigital number, since it uses as much as digits as its factorization.

10212433331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139896420.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 10212433331 its reverse (13333421201), we get a palindrome (23545854532).

The spelling of 10212433331 in words is "ten billion, two hundred twelve million, four hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 73 139896347 10212433331