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133012312111 = 719421978413
BaseRepresentation
bin111101111100000100…
…1101101000000101111
3110201022212010120000001
41323320021231000233
54134402122441421
6141034403245131
712416111666260
oct1737011550057
9421285116001
10133012312111
1151456a89878
12219416797a7
13c709caa133
14661b598967
1536d753a691
hex1ef826d02f

133012312111 has 8 divisors (see below), whose sum is σ = 152022053664. Its totient is φ = 114004566240.

The previous prime is 133012312007. The next prime is 133012312117. The reversal of 133012312111 is 111213210331.

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 133012312111 - 217 = 133012181039 is a prime.

It is a super-2 number, since 2×1330123121112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133012312117) 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, 353260 + ... + 625153.

It is an arithmetic number, because the mean of its divisors is an integer number (19002756708).

Almost surely, 2133012312111 is an apocalyptic number.

133012312111 is a deficient number, since it is larger than the sum of its proper divisors (19009741553).

133012312111 is an equidigital number, since it uses as much as digits as its factorization.

133012312111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997841.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 133012312111 its reverse (111213210331), we get a palindrome (244225522442).

The spelling of 133012312111 in words is "one hundred thirty-three billion, twelve million, three hundred twelve thousand, one hundred eleven".

Divisors: 1 7 19421 135947 978413 6848891 19001758873 133012312111