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20213011030 = 253136457831
BaseRepresentation
bin10010110100110010…
…100001001001010110
31221011200100100110011
4102310302201021112
5312344012323110
613141414550434
71313616521212
oct226462411126
957150310404
1020213011030
1186327993a3
123b0136841a
131ba1869174
14d9a6d3942
157d47e548a
hex4b4ca1256

20213011030 has 16 divisors (see below), whose sum is σ = 36499666464. Its totient is φ = 8059371840.

The previous prime is 20213011019. The next prime is 20213011031. The reversal of 20213011030 is 3011031202.

It is a self number, because there is not a number n which added to its sum of digits gives 20213011030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213011031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3225786 + ... + 3232045.

It is an arithmetic number, because the mean of its divisors is an integer number (2281229154).

Almost surely, 220213011030 is an apocalyptic number.

20213011030 is a deficient number, since it is larger than the sum of its proper divisors (16286655434).

20213011030 is a wasteful number, since it uses less digits than its factorization.

20213011030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458151.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20213011030 its reverse (3011031202), we get a palindrome (23224042232).

The spelling of 20213011030 in words is "twenty billion, two hundred thirteen million, eleven thousand, thirty".

Divisors: 1 2 5 10 313 626 1565 3130 6457831 12915662 32289155 64578310 2021301103 4042602206 10106505515 20213011030