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2140202224242 = 23429455556029
BaseRepresentation
bin11111001001001101111…
…111100100101001110010
321120121020101001210020000
4133021031333210221302
5240031113232133432
64315110105130430
7310424130514305
oct37111577445162
97517211053200
102140202224242
117557223a6aa5
122a6951489a16
13126a87cabb84
147582ccbcb3c
153aa1184757c
hex1f24dfe4a72

2140202224242 has 40 divisors (see below), whose sum is σ = 4961005166700. Its totient is φ = 688800714336.

The previous prime is 2140202224141. The next prime is 2140202224243. The reversal of 2140202224242 is 2424222020412.

2140202224242 is a `hidden beast` number, since 2 + 14 + 0 + 2 + 0 + 222 + 424 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2083487278041 + 56714946201 = 1443429^2 + 238149^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2140202224243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 227773317 + ... + 227782712.

Almost surely, 22140202224242 is an apocalyptic number.

2140202224242 is an abundant number, since it is smaller than the sum of its proper divisors (2820802942458).

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

2140202224242 is a wasteful number, since it uses less digits than its factorization.

2140202224242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455556072 (or 455556063 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 2140202224242 its reverse (2424222020412), we get a palindrome (4564424244654).

The spelling of 2140202224242 in words is "two trillion, one hundred forty billion, two hundred two million, two hundred twenty-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 29 54 58 81 87 162 174 261 522 783 1566 2349 4698 455556029 911112058 1366668087 2733336174 4100004261 8200008522 12300012783 13211124841 24600025566 26422249682 36900038349 39633374523 73800076698 79266749046 118900123569 237800247138 356700370707 713400741414 1070101112121 2140202224242