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33130002232 = 2319421517721
BaseRepresentation
bin11110110110101100…
…111011011100111000
310011111212221111020201
4132312230323130320
51020322240032412
623115242531544
72251664241535
oct366654733470
9104455844221
1033130002232
1113061028038
126507206bb4
13317c996122
141864011d8c
15cdd7ebe57
hex7b6b3b738

33130002232 has 32 divisors (see below), whose sum is σ = 65543605200. Its totient is φ = 15655852800.

The previous prime is 33130002209. The next prime is 33130002233. The reversal of 33130002232 is 23220003133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130002233) 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, 194869 + ... + 322852.

Almost surely, 233130002232 is an apocalyptic number.

It is an amenable number.

33130002232 is a deficient number, since it is larger than the sum of its proper divisors (32413602968).

33130002232 is a wasteful number, since it uses less digits than its factorization.

33130002232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518167 (or 518163 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33130002232 its reverse (23220003133), we get a palindrome (56350005365).

Subtracting from 33130002232 its reverse (23220003133), we obtain a palindrome (9909999099).

The spelling of 33130002232 in words is "thirty-three billion, one hundred thirty million, two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 19 38 76 152 421 842 1684 3368 7999 15998 31996 63992 517721 1035442 2070884 4141768 9836699 19673398 39346796 78693592 217960541 435921082 871842164 1743684328 4141250279 8282500558 16565001116 33130002232