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2125416601 = 72113943259
BaseRepresentation
bin111111010101111…
…0100100010011001
312111010100100110101
41332223310202121
513323101312401
6550523015401
7103445512600
oct17653644231
95433310411
102125416601
119a0818a50
124b396a561
1327b449879
141623c4a37
15c68d8101
hex7eaf4899

2125416601 has 12 divisors (see below), whose sum is σ = 2697189840. Its totient is φ = 1656168360.

The previous prime is 2125416569. The next prime is 2125416611. The reversal of 2125416601 is 1066145212.

It is not a de Polignac number, because 2125416601 - 25 = 2125416569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125416601.

It is not an unprimeable number, because it can be changed into a prime (2125416611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1971091 + ... + 1972168.

It is an arithmetic number, because the mean of its divisors is an integer number (224765820).

Almost surely, 22125416601 is an apocalyptic number.

It is an amenable number.

2125416601 is a deficient number, since it is larger than the sum of its proper divisors (571773239).

2125416601 is a wasteful number, since it uses less digits than its factorization.

2125416601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943284 (or 3943277 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2125416601 is about 46102.2407373004. The cubic root of 2125416601 is about 1285.7248054066.

The spelling of 2125416601 in words is "two billion, one hundred twenty-five million, four hundred sixteen thousand, six hundred one".

Divisors: 1 7 11 49 77 539 3943259 27602813 43375849 193219691 303630943 2125416601