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20323103010 = 2357281479719
BaseRepresentation
bin10010111011010110…
…011111000100100010
31221110100111121020220
4102323112133010202
5313110203244020
613200350343510
71316424345120
oct227326370442
957410447226
1020323103010
118689953101
123b321bab96
131bbb604352
14dab190910
157de2e0240
hex4bb59f122

20323103010 has 128 divisors (see below), whose sum is σ = 56136499200. Its totient is φ = 4612661760.

The previous prime is 20323102967. The next prime is 20323103023. The reversal of 20323103010 is 1030132302.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28265431 + ... + 28266149.

It is an arithmetic number, because the mean of its divisors is an integer number (438566400).

Almost surely, 220323103010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20323103010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28068249600).

20323103010 is an abundant number, since it is smaller than the sum of its proper divisors (35813396190).

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

20323103010 is a wasteful number, since it uses less digits than its factorization.

20323103010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20323103010 its reverse (1030132302), we get a palindrome (21353235312).

The spelling of 20323103010 in words is "twenty billion, three hundred twenty-three million, one hundred three thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 281 479 562 719 843 958 1405 1437 1438 1686 1967 2157 2395 2810 2874 3353 3595 3934 4215 4314 4790 5033 5901 6706 7185 7190 8430 9835 10059 10066 10785 11802 14370 15099 16765 19670 20118 21570 25165 29505 30198 33530 50295 50330 59010 75495 100590 134599 150990 202039 269198 344401 403797 404078 606117 672995 688802 807594 942193 1010195 1033203 1212234 1345990 1414273 1722005 1884386 2018985 2020390 2066406 2410807 2826579 2828546 3030585 3444010 4037970 4242819 4710965 4821614 5166015 5653158 6061170 7071365 7232421 8485638 9421930 10332030 12054035 14132895 14142730 14464842 21214095 24108070 28265790 36162105 42428190 72324210 96776681 193553362 290330043 483883405 580660086 677436767 967766810 1354873534 1451650215 2032310301 2903300430 3387183835 4064620602 6774367670 10161551505 20323103010