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1016220030 = 235729166867
BaseRepresentation
bin111100100100100…
…100100101111110
32121211012022210220
4330210210211332
54040123020110
6244501042210
734116504420
oct7444444576
92554168726
101016220030
114816a2171
122443b6366
131326c8c37
1498d70810
155e337370
hex3c92497e

1016220030 has 64 divisors (see below), whose sum is σ = 2883479040. Its totient is φ = 224267904.

The previous prime is 1016220019. The next prime is 1016220031. The reversal of 1016220030 is 300226101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1016219991 and 1016220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016220031) 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, 77344 + ... + 89523.

It is an arithmetic number, because the mean of its divisors is an integer number (45054360).

Almost surely, 21016220030 is an apocalyptic number.

1016220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1016220030 is an abundant number, since it is smaller than the sum of its proper divisors (1867259010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1016220030 is a wasteful number, since it uses less digits than its factorization.

1016220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166913.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1016220030 is about 31878.2061916915. The cubic root of 1016220030 is about 1005.3777051138.

Adding to 1016220030 its reverse (300226101), we get a palindrome (1316446131).

The spelling of 1016220030 in words is "one billion, sixteen million, two hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 29 30 35 42 58 70 87 105 145 174 203 210 290 406 435 609 870 1015 1218 2030 3045 6090 166867 333734 500601 834335 1001202 1168069 1668670 2336138 2503005 3504207 4839143 5006010 5840345 7008414 9678286 11680690 14517429 17521035 24195715 29034858 33874001 35042070 48391430 67748002 72587145 101622003 145174290 169370005 203244006 338740010 508110015 1016220030