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10012122010 = 2511219222921
BaseRepresentation
bin10010101001100010…
…01101101110011010
3221211202120111101201
421110301031232122
5131001100401020
64333254304414
7503052430042
oct112461155632
927752514351
1010012122010
114278644500
121b3505810a
13c37372b67
146ad9da722
153d8ea4a0a
hex254c4db9a

10012122010 has 72 divisors (see below), whose sum is σ = 20907477108. Its totient is φ = 3449001600.

The previous prime is 10012122007. The next prime is 10012122011. The reversal of 10012122010 is 1022121001.

10012122010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9938694249 + 73427761 = 99693^2 + 8569^2 .

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 (10012122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 425350 + ... + 448270.

Almost surely, 210012122010 is an apocalyptic number.

10012122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10012122010 is an abundant number, since it is smaller than the sum of its proper divisors (10895355098).

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

10012122010 is a wasteful number, since it uses less digits than its factorization.

10012122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22988 (or 22958 counting only the distinct ones).

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

Adding to 10012122010 its reverse (1022121001), we get a palindrome (11034243011).

The spelling of 10012122010 in words is "ten billion, twelve million, one hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 121 190 209 242 361 418 605 722 1045 1210 1805 2090 2299 3610 3971 4598 7942 11495 19855 22921 22990 39710 43681 45842 87362 114605 218405 229210 252131 435499 436810 504262 870998 1260655 2177495 2521310 2773441 4354990 4790489 5546882 8274481 9580978 13867205 16548962 23952445 27734410 41372405 47904890 52695379 82744810 91019291 105390758 182038582 263476895 455096455 526953790 910192910 1001212201 2002424402 5006061005 10012122010