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10001133331 = 77079201827
BaseRepresentation
bin10010101000001110…
…10010111100010011
3221210222220012202121
421110013102330103
5130440242231311
64332222555111
7502560142060
oct112407227423
927728805677
1010001133331
114272419552
121b31438a97
13c34cc6297
146ac379c67
153d8033b71
hex2541d2f13

10001133331 has 8 divisors (see below), whose sum is σ = 11431537920. Its totient is φ = 8571146568.

The previous prime is 10001133323. The next prime is 10001133347. The reversal of 10001133331 is 13333110001.

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

It is a cyclic number.

It is not a de Polignac number, because 10001133331 - 23 = 10001133323 is a prime.

It is a super-3 number, since 3×100011333313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001130331) 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, 51361 + ... + 150466.

It is an arithmetic number, because the mean of its divisors is an integer number (1428942240).

Almost surely, 210001133331 is an apocalyptic number.

10001133331 is a deficient number, since it is larger than the sum of its proper divisors (1430404589).

10001133331 is an equidigital number, since it uses as much as digits as its factorization.

10001133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208913.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 10001133331 its reverse (13333110001), we get a palindrome (23334243332).

It can be divided in two parts, 10001 and 133331, that multiplied together give a palindrome (1333443331).

The spelling of 10001133331 in words is "ten billion, one million, one hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 7 7079 49553 201827 1412789 1428733333 10001133331