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20425030616 = 234359375089
BaseRepresentation
bin10011000001011011…
…010011101111011000
31221201110022001122102
4103001123103233120
5313312301434431
613214431142532
71322102616134
oct230133235730
957643261572
1020425030616
1187314408a1
123b60374a48
131c06771343
14dba9243c4
157e8225dcb
hex4c16d3bd8

20425030616 has 16 divisors (see below), whose sum is σ = 39187559400. Its totient is φ = 9975014784.

The previous prime is 20425030597. The next prime is 20425030669. The reversal of 20425030616 is 61603052402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29687201 + ... + 29687888.

Almost surely, 220425030616 is an apocalyptic number.

It is an amenable number.

20425030616 is a deficient number, since it is larger than the sum of its proper divisors (18762528784).

20425030616 is a wasteful number, since it uses less digits than its factorization.

20425030616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59375138 (or 59375134 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 20425030616 in words is "twenty billion, four hundred twenty-five million, thirty thousand, six hundred sixteen".

Divisors: 1 2 4 8 43 86 172 344 59375089 118750178 237500356 475000712 2553128827 5106257654 10212515308 20425030616