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2213020042 = 25571986553
BaseRepresentation
bin1000001111101000…
…0000000110001010
312201020012001210021
42003322000012022
514013013120132
61003332411054
7105561234322
oct20372000612
95636161707
102213020042
11a36212792
12519176a8a
1329363ca1c
1416dcaa282
15ce43e997
hex83e8018a

2213020042 has 8 divisors (see below), whose sum is σ = 3325491396. Its totient is φ = 1104522912.

The previous prime is 2213020031. The next prime is 2213020057. The reversal of 2213020042 is 2400203122.

It can be written as a sum of positive squares in 2 ways, for example, as 1533427281 + 679592761 = 39159^2 + 26069^2 .

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 = 2213019998 and 2213020025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992163 + ... + 994390.

Almost surely, 22213020042 is an apocalyptic number.

2213020042 is a deficient number, since it is larger than the sum of its proper divisors (1112471354).

2213020042 is a wasteful number, since it uses less digits than its factorization.

2213020042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987112.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2213020042 is about 47042.7469648617. The cubic root of 2213020042 is about 1303.1521224389.

Adding to 2213020042 its reverse (2400203122), we get a palindrome (4613223164).

The spelling of 2213020042 in words is "two billion, two hundred thirteen million, twenty thousand, forty-two".

Divisors: 1 2 557 1114 1986553 3973106 1106510021 2213020042