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20602068288 = 263313461369
BaseRepresentation
bin10011001011111110…
…101001110101000000
31222011210102111200020
4103023332221311000
5314143112141123
613244153453440
71326352456014
oct231376516500
958153374606
1020602068288
11881236a91a
123bab711280
131c34348a69
14dd624a544
15808a467e3
hex4cbfa9d40

20602068288 has 56 divisors (see below), whose sum is σ = 56268030720. Its totient is φ = 6645826560.

The previous prime is 20602068287. The next prime is 20602068317. The reversal of 20602068288 is 88286020602.

It is a super-3 number, since 3×206020682883 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20602068287) 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, 1724733 + ... + 1736636.

Almost surely, 220602068288 is an apocalyptic number.

It is an amenable number.

20602068288 is an abundant number, since it is smaller than the sum of its proper divisors (35665962432).

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

20602068288 is a wasteful number, since it uses less digits than its factorization.

20602068288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461415 (or 3461405 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 20602068288 in words is "twenty billion, six hundred two million, sixty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 124 186 192 248 372 496 744 992 1488 1984 2976 5952 3461369 6922738 10384107 13845476 20768214 27690952 41536428 55381904 83072856 107302439 110763808 166145712 214604878 221527616 321907317 332291424 429209756 643814634 664582848 858419512 1287629268 1716839024 2575258536 3433678048 5150517072 6867356096 10301034144 20602068288