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10221012010 = 2511294996421
BaseRepresentation
bin10011000010011100…
…00100010000101010
3222101022122012121101
421201032010100222
5131413034341020
64410115432014
7511200111556
oct114116042052
928338565541
1010221012010
114375549670
121b92bb560a
13c6b720701
146cd654866
153ec4b800a
hex26138442a

10221012010 has 64 divisors (see below), whose sum is σ = 20807280000. Its totient is φ = 3580819200.

The previous prime is 10221011993. The next prime is 10221012013. The reversal of 10221012010 is 1021012201.

It is a super-3 number, since 3×102210120103 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10221012013) 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, 1588600 + ... + 1595020.

It is an arithmetic number, because the mean of its divisors is an integer number (325113750).

Almost surely, 210221012010 is an apocalyptic number.

10221012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221012010 is an abundant number, since it is smaller than the sum of its proper divisors (10586267990).

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

10221012010 is a wasteful number, since it uses less digits than its factorization.

10221012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10221012010 its reverse (1021012201), we get a palindrome (11242024211).

The spelling of 10221012010 in words is "ten billion, two hundred twenty-one million, twelve thousand, ten".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 499 638 998 1595 2495 3190 4990 5489 6421 10978 12842 14471 27445 28942 32105 54890 64210 70631 72355 141262 144710 159181 186209 318362 353155 372418 706310 795905 931045 1591810 1862090 2048299 3204079 4096598 6408158 10241495 16020395 20482990 32040790 35244869 70489738 92918291 176224345 185836582 352448690 464591455 929182910 1022101201 2044202402 5110506005 10221012010