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2135797242 = 23878340529
BaseRepresentation
bin111111101001101…
…1010110111111010
312111211212202000120
41333103122313322
513333231002432
6551533314110
7103632656055
oct17723326772
95454782016
102135797242
119a6669097
124b7335936
13280642767
14163927a9c
15c7788c2c
hex7f4dadfa

2135797242 has 16 divisors (see below), whose sum is σ = 4272186240. Its totient is φ = 711833792.

The previous prime is 2135797231. The next prime is 2135797243. The reversal of 2135797242 is 2427975312.

It is a junction number, because it is equal to n+sod(n) for n = 2135797194 and 2135797203.

It is not an unprimeable number, because it can be changed into a prime (2135797243) 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, 32434 + ... + 72962.

It is an arithmetic number, because the mean of its divisors is an integer number (267011640).

Almost surely, 22135797242 is an apocalyptic number.

2135797242 is an abundant number, since it is smaller than the sum of its proper divisors (2136388998).

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

2135797242 is a wasteful number, since it uses less digits than its factorization.

2135797242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49317.

The product of its digits is 211680, while the sum is 42.

The square root of 2135797242 is about 46214.6864319125. The cubic root of 2135797242 is about 1287.8145883107.

The spelling of 2135797242 in words is "two billion, one hundred thirty-five million, seven hundred ninety-seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 8783 17566 26349 40529 52698 81058 121587 243174 355966207 711932414 1067898621 2135797242