Search a number
-
+
10020012012220 = 2257433367744953
BaseRepresentation
bin1001000111001111011101…
…0000011011001010111100
31022110220101212100210202011
42101303313100123022330
52303131441033342340
633151044023541004
72052631144551250
oct221636720331274
938426355323664
1010020012012220
113213510617aa1
121159b418ba764
13578b6317a882
14268d84c60260
1512599bc830ea
hex91cf741b2bc

10020012012220 has 96 divisors (see below), whose sum is σ = 24110658569088. Its totient is φ = 3426490294272.

The previous prime is 10020012012169. The next prime is 10020012012271. The reversal of 10020012012220 is 2221021002001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10020012012169) and next prime (10020012012271).

It is a self number, because there is not a number n which added to its sum of digits gives 10020012012220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222877264 + ... + 222922216.

It is an arithmetic number, because the mean of its divisors is an integer number (251152693428).

Almost surely, 210020012012220 is an apocalyptic number.

10020012012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020012012220 is an abundant number, since it is smaller than the sum of its proper divisors (14090646556868).

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

10020012012220 is a wasteful number, since it uses less digits than its factorization.

10020012012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49079 (or 49077 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10020012012220 its reverse (2221021002001), we get a palindrome (12241033014221).

The spelling of 10020012012220 in words is "ten trillion, twenty billion, twelve million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 433 866 1732 2165 3031 3677 4330 6062 7354 8660 12124 14708 15155 18385 25739 30310 36770 44953 51478 60620 73540 89906 102956 128695 179812 224765 257390 314671 449530 514780 629342 899060 1258684 1573355 1592141 3146710 3184282 6293420 6368564 7960705 11144987 15921410 19464649 22289974 31842820 38929298 44579948 55724935 77858596 97323245 111449870 136252543 165292181 194646490 222899740 272505086 330584362 389292980 545010172 661168724 681262715 826460905 1157045267 1362525430 1652921810 2314090534 2725050860 3305843620 4628181068 5785226335 11570452670 23140905340 71571514373 143143028746 286286057492 357857571865 501000600611 715715143730 1002001201222 1431430287460 2004002402444 2505003003055 5010006006110 10020012012220