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20009264608 = 25625289519
BaseRepresentation
bin10010101000101001…
…010010010111100000
31220122110221221220101
4102220221102113200
5311434332431413
613105255552144
71305563641264
oct225051222740
956573857811
1020009264608
118538787723
123a6508b654
131b6b59c858
14d7b6180a4
157c199aedd
hex4a8a525e0

20009264608 has 12 divisors (see below), whose sum is σ = 39393239760. Its totient is φ = 10004632288.

The previous prime is 20009264573. The next prime is 20009264623. The reversal of 20009264608 is 80646290002.

It is a super-3 number, since 3×200092646083 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312644728 + ... + 312644791.

It is an arithmetic number, because the mean of its divisors is an integer number (3282769980).

Almost surely, 220009264608 is an apocalyptic number.

It is an amenable number.

20009264608 is a deficient number, since it is larger than the sum of its proper divisors (19383975152).

20009264608 is an equidigital number, since it uses as much as digits as its factorization.

20009264608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625289529 (or 625289521 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 20009264608 in words is "twenty billion, nine million, two hundred sixty-four thousand, six hundred eight".

Divisors: 1 2 4 8 16 32 625289519 1250579038 2501158076 5002316152 10004632304 20009264608