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33428970393429 = 31321931619718919
BaseRepresentation
bin1111001100111010010011…
…11001111100111101010101
311101100210000102102212121110
413212131021321330331111
513340200012410042204
6155033020151005233
710020110023002612
oct746351171747525
9141323012385543
1033428970393429
11a719168328536
1238ba912669819
13158645256a500
14837d83c37509
153ce86e461889
hex1e6749e7cf55

33428970393429 has 192 divisors, whose sum is σ = 53855486361600. Its totient is φ = 18358874726400.

The previous prime is 33428970393409. The next prime is 33428970393449. The reversal of 33428970393429 is 92439307982433.

It is an interprime number because it is at equal distance from previous prime (33428970393409) and next prime (33428970393449).

It is not a de Polignac number, because 33428970393429 - 224 = 33428953616213 is a prime.

It is a super-2 number, since 2×334289703934292 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33428970393429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33428970393409) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1766942832 + ... + 1766961750.

It is an arithmetic number, because the mean of its divisors is an integer number (280497324800).

Almost surely, 233428970393429 is an apocalyptic number.

33428970393429 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

33428970393429 is a deficient number, since it is larger than the sum of its proper divisors (20426515968171).

33428970393429 is a wasteful number, since it uses less digits than its factorization.

33428970393429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19156 (or 19143 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 66.

The spelling of 33428970393429 in words is "thirty-three trillion, four hundred twenty-eight billion, nine hundred seventy million, three hundred ninety-three thousand, four hundred twenty-nine".