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2104020242 = 210919334993
BaseRepresentation
bin111110101101000…
…1100110100010010
312102122002022011122
41331122030310102
513302112121432
6544440242242
7103065606542
oct17532146422
95378068148
102104020242
1198a734605
124a8770382
13276b979bc
1415d615322
15c4aad612
hex7d68cd12

2104020242 has 16 divisors (see below), whose sum is σ = 3187270680. Its totient is φ = 1041610752.

The previous prime is 2104020227. The next prime is 2104020293. The reversal of 2104020242 is 2420204012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1947545161 + 156475081 = 44131^2 + 12509^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2104020242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418898 + ... + 423890.

Almost surely, 22104020242 is an apocalyptic number.

2104020242 is a deficient number, since it is larger than the sum of its proper divisors (1083250438).

2104020242 is a wasteful number, since it uses less digits than its factorization.

2104020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2104020242 is about 45869.6004124736. The cubic root of 2104020242 is about 1281.3958247286.

Adding to 2104020242 its reverse (2420204012), we get a palindrome (4524224254).

The spelling of 2104020242 in words is "two billion, one hundred four million, twenty thousand, two hundred forty-two".

Divisors: 1 2 109 218 1933 3866 4993 9986 210697 421394 544237 1088474 9651469 19302938 1052010121 2104020242