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33140022012 = 22323732467979
BaseRepresentation
bin11110110111010011…
…001001101011111100
310011112120210112210200
4132313103021223330
51020332321201022
623120241403500
72252145352656
oct366723115374
9104476715720
1033140022012
1113066751049
12650a639590
133181a939a6
14186549d6d6
15cde62abac
hex7b74c9afc

33140022012 has 36 divisors (see below), whose sum is σ = 83995231320. Its totient is φ = 11017053792.

The previous prime is 33140022011. The next prime is 33140022059. The reversal of 33140022012 is 21022004133.

33140022012 is a `hidden beast` number, since 3 + 31 + 400 + 220 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×331400220122 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140022011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1220562 + ... + 1247417.

It is an arithmetic number, because the mean of its divisors is an integer number (2333200870).

Almost surely, 233140022012 is an apocalyptic number.

It is an amenable number.

33140022012 is an abundant number, since it is smaller than the sum of its proper divisors (50855209308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33140022012 is a wasteful number, since it uses less digits than its factorization.

33140022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468362 (or 2468357 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 33140022012 its reverse (21022004133), we get a palindrome (54162026145).

The spelling of 33140022012 in words is "thirty-three billion, one hundred forty million, twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 373 746 1119 1492 2238 3357 4476 6714 13428 2467979 4935958 7403937 9871916 14807874 22211811 29615748 44423622 88847244 920556167 1841112334 2761668501 3682224668 5523337002 8285005503 11046674004 16570011006 33140022012