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2002402012 = 221338507731
BaseRepresentation
bin111011101011010…
…0011101011011100
312011112212120011111
41313112203223130
513100103331022
6530410231404
7100423064512
oct16726435334
95145776144
102002402012
119383382a6
1247a725564
1325bb08780
1414dd224b2
15babd9477
hex775a3adc

2002402012 has 12 divisors (see below), whose sum is σ = 3773757736. Its totient is φ = 924185520.

The previous prime is 2002402009. The next prime is 2002402033. The reversal of 2002402012 is 2102042002.

It is a super-2 number, since 2×20024020122 = 8019227635323296288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2002401983 and 2002402001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19253814 + ... + 19253917.

Almost surely, 22002402012 is an apocalyptic number.

It is an amenable number.

2002402012 is a deficient number, since it is larger than the sum of its proper divisors (1771355724).

2002402012 is a wasteful number, since it uses less digits than its factorization.

2002402012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38507748 (or 38507746 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2002402012 is about 44748.2068020608. The cubic root of 2002402012 is about 1260.4252390175.

Adding to 2002402012 its reverse (2102042002), we get a palindrome (4104444014).

The spelling of 2002402012 in words is "two billion, two million, four hundred two thousand, twelve".

Divisors: 1 2 4 13 26 52 38507731 77015462 154030924 500600503 1001201006 2002402012