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33230430012 = 22313213015577
BaseRepresentation
bin11110111100101100…
…000001111100111100
310011202212220202021010
4132330230001330330
51021023442230022
623133231235220
72254323665103
oct367454017474
9104685822233
1033230430012
11131027909aa
126534978b10
133197729550
1418734b503a
15ce753850c
hex7bcb01f3c

33230430012 has 24 divisors (see below), whose sum is σ = 83502106576. Its totient is φ = 10224747648.

The previous prime is 33230430007. The next prime is 33230430017. The reversal of 33230430012 is 21003403233.

It is an interprime number because it is at equal distance from previous prime (33230430007) and next prime (33230430017).

It is a super-2 number, since 2×332304300122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33230430017) 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, 106507633 + ... + 106507944.

Almost surely, 233230430012 is an apocalyptic number.

It is an amenable number.

33230430012 is an abundant number, since it is smaller than the sum of its proper divisors (50271676564).

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

33230430012 is a wasteful number, since it uses less digits than its factorization.

33230430012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213015597 (or 213015595 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33230430012 its reverse (21003403233), we get a palindrome (54233833245).

The spelling of 33230430012 in words is "thirty-three billion, two hundred thirty million, four hundred thirty thousand, twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 213015577 426031154 639046731 852062308 1278093462 2556186924 2769202501 5538405002 8307607503 11076810004 16615215006 33230430012