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4207860138 = 232689260807
BaseRepresentation
bin1111101011001110…
…1101100110101010
3101212020211102221210
43322303231212222
532104203011023
61533313013550
7206163135546
oct37263554652
911766742853
104207860138
11186a255669
129952542b6
135209cb591
142bcbc0a26
15199633593
hexfaced9aa

4207860138 has 16 divisors (see below), whose sum is σ = 8418882240. Its totient is φ = 1402093056.

The previous prime is 4207860131. The next prime is 4207860193. The reversal of 4207860138 is 8310687024.

It is a junction number, because it is equal to n+sod(n) for n = 4207860096 and 4207860105.

It is not an unprimeable number, because it can be changed into a prime (4207860131) 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, 114270 + ... + 146537.

It is an arithmetic number, because the mean of its divisors is an integer number (526180140).

Almost surely, 24207860138 is an apocalyptic number.

4207860138 is an abundant number, since it is smaller than the sum of its proper divisors (4211022102).

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

4207860138 is a wasteful number, since it uses less digits than its factorization.

4207860138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263501.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 4207860138 is about 64868.0209194022. The cubic root of 4207860138 is about 1614.4345086338.

The spelling of 4207860138 in words is "four billion, two hundred seven million, eight hundred sixty thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 2689 5378 8067 16134 260807 521614 782421 1564842 701310023 1402620046 2103930069 4207860138