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33420402032 = 2419109935533
BaseRepresentation
bin11111001000000000…
…101101110101110000
310012021010101022212212
4133020000231311300
51021421110331112
623204135111252
72262121505303
oct371000556560
9105233338785
1033420402032
111319aa44776
126588512528
1331c7bb2324
141890806b3a
15d09061522
hex7c802dd70

33420402032 has 20 divisors (see below), whose sum is σ = 68160031080. Its totient is φ = 15830716608.

The previous prime is 33420402031. The next prime is 33420402073. The reversal of 33420402032 is 23020402433.

It is a super-2 number, since 2×334204020322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33420401989 and 33420402007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33420402031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54967463 + ... + 54968070.

It is an arithmetic number, because the mean of its divisors is an integer number (3408001554).

Almost surely, 233420402032 is an apocalyptic number.

It is an amenable number.

33420402032 is an abundant number, since it is smaller than the sum of its proper divisors (34739629048).

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

33420402032 is a wasteful number, since it uses less digits than its factorization.

33420402032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109935560 (or 109935554 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 33420402032 its reverse (23020402433), we get a palindrome (56440804465).

The spelling of 33420402032 in words is "thirty-three billion, four hundred twenty million, four hundred two thousand, thirty-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 109935533 219871066 439742132 879484264 1758968528 2088775127 4177550254 8355100508 16710201016 33420402032