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1010230221 = 371113675021
BaseRepresentation
bin111100001101101…
…110001111001101
32121101221000100010
4330031232033031
54032104331341
6244124423433
734014546420
oct7415561715
92541830303
101010230221
11479280a10
122423a7b79
131313ac780
14982519b7
155da52716
hex3c36e3cd

1010230221 has 64 divisors (see below), whose sum is σ = 1835882496. Its totient is φ = 477100800.

The previous prime is 1010230217. The next prime is 1010230223. The reversal of 1010230221 is 1220320101.

1010230221 = 38502 + 38512 + ... + 39162.

It is not a de Polignac number, because 1010230221 - 22 = 1010230217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010230197 and 1010230206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010230223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198691 + ... + 203711.

It is an arithmetic number, because the mean of its divisors is an integer number (28685664).

Almost surely, 21010230221 is an apocalyptic number.

1010230221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010230221 is a deficient number, since it is larger than the sum of its proper divisors (825652275).

1010230221 is a wasteful number, since it uses less digits than its factorization.

1010230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1010230221 is about 31784.1190061955. The cubic root of 1010230221 is about 1003.3985107075.

Adding to 1010230221 its reverse (1220320101), we get a palindrome (2230550322).

The spelling of 1010230221 in words is "one billion, ten million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 3 7 11 13 21 33 39 67 77 91 143 201 231 273 429 469 737 871 1001 1407 2211 2613 3003 5021 5159 6097 9581 15063 15477 18291 28743 35147 55231 65273 67067 105441 165693 195819 201201 336407 386617 456911 718003 1009221 1159851 1370733 2154009 2354849 3700477 4373291 5026021 7064547 11101431 13119873 15078063 25903339 30613037 48106201 77710017 91839111 144318603 336743407 1010230221