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1020212219 = 1323103157211
BaseRepresentation
bin111100110011110…
…011001111111011
32122002201011001202
4330303303033323
54042133242334
6245122404415
734165442435
oct7463631773
92562634052
101020212219
114839795a4
1224580070b
13133496090
14996cd655
155e87517e
hex3ccf33fb

1020212219 has 32 divisors (see below), whose sum is σ = 1170484224. Its totient is φ = 882161280.

The previous prime is 1020212213. The next prime is 1020212233. The reversal of 1020212219 is 9122120201.

It is a happy number.

It is not a de Polignac number, because 1020212219 - 24 = 1020212203 is a prime.

It is a super-2 number, since 2×10202122192 = 2081665943593807922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020212219.

It is not an unprimeable number, because it can be changed into a prime (1020212213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4835024 + ... + 4835234.

It is an arithmetic number, because the mean of its divisors is an integer number (36577632).

Almost surely, 21020212219 is an apocalyptic number.

1020212219 is a deficient number, since it is larger than the sum of its proper divisors (150272005).

1020212219 is a wasteful number, since it uses less digits than its factorization.

1020212219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1020212219 is about 31940.7610898676. The cubic root of 1020212219 is about 1006.6925166356.

The spelling of 1020212219 in words is "one billion, twenty million, two hundred twelve thousand, two hundred nineteen".

Divisors: 1 13 23 103 157 211 299 1339 2041 2369 2743 3611 4853 16171 21733 30797 33127 46943 63089 210223 282529 371933 430651 499859 761921 3412081 4835129 6498167 9904973 44357053 78477863 1020212219