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1210042004 = 22491616111
BaseRepresentation
bin100100000011111…
…1100011010010100
310010022220111120112
41020013330122110
54434232321004
6320023222152
741662121153
oct11007743224
93108814515
101210042004
11571045516
122992a7958
131638cc1b2
14b69c559a
1571370e6e
hex481fc694

1210042004 has 12 divisors (see below), whose sum is σ = 2121889728. Its totient is φ = 603787800.

The previous prime is 1210041947. The next prime is 1210042013. The reversal of 1210042004 is 4002400121.

It is a self number, because there is not a number n which added to its sum of digits gives 1210042004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306092 + ... + 310019.

It is an arithmetic number, because the mean of its divisors is an integer number (176824144).

Almost surely, 21210042004 is an apocalyptic number.

It is an amenable number.

1210042004 is a deficient number, since it is larger than the sum of its proper divisors (911847724).

1210042004 is a wasteful number, since it uses less digits than its factorization.

1210042004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616606 (or 616604 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1210042004 is about 34785.6580216617. The cubic root of 1210042004 is about 1065.6145670802.

Adding to 1210042004 its reverse (4002400121), we get a palindrome (5212442125).

The spelling of 1210042004 in words is "one billion, two hundred ten million, forty-two thousand, four".

Divisors: 1 2 4 491 982 1964 616111 1232222 2464444 302510501 605021002 1210042004