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2132246642 = 21069997309
BaseRepresentation
bin111111100010111…
…1000000001110010
312111121012100111212
41333011320001302
513331323343032
6551325240122
7103560540341
oct17705700162
95447170455
102132246642
119a4663509
124b6103042
1327c99b606
14163281b58
15c72d6bb2
hex7f178072

2132246642 has 8 divisors (see below), whose sum is σ = 3201365100. Its totient is φ = 1065124944.

The previous prime is 2132246621. The next prime is 2132246647. The reversal of 2132246642 is 2466422312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2113332841 + 18913801 = 45971^2 + 4349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2132246599 and 2132246608.

It is not an unprimeable number, because it can be changed into a prime (2132246647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496517 + ... + 500792.

Almost surely, 22132246642 is an apocalyptic number.

2132246642 is a deficient number, since it is larger than the sum of its proper divisors (1069118458).

2132246642 is a wasteful number, since it uses less digits than its factorization.

2132246642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998380.

The product of its digits is 27648, while the sum is 32.

The square root of 2132246642 is about 46176.2562579514. The cubic root of 2132246642 is about 1287.1005613190.

Adding to 2132246642 its reverse (2466422312), we get a palindrome (4598668954).

The spelling of 2132246642 in words is "two billion, one hundred thirty-two million, two hundred forty-six thousand, six hundred forty-two".

Divisors: 1 2 1069 2138 997309 1994618 1066123321 2132246642