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20310120212010 = 2352329434956829
BaseRepresentation
bin1001001111000110100011…
…00000000010011000101010
32122220121222012100120101220
410213203101200002120222
510130230111233241020
6111110201310322510
74164233466232446
oct447432140023052
978817865316356
1020310120212010
116520523415412
1223402a21b9436
13b4430b99c375
1450302d495826
152534a5c4b240
hex1278d180262a

20310120212010 has 32 divisors (see below), whose sum is σ = 50863605402240. Its totient is φ = 5180552401728.

The previous prime is 20310120211991. The next prime is 20310120212149. The reversal of 20310120212010 is 1021202101302.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14717477725 + ... + 14717479104.

It is an arithmetic number, because the mean of its divisors is an integer number (1589487668820).

Almost surely, 220310120212010 is an apocalyptic number.

20310120212010 is an abundant number, since it is smaller than the sum of its proper divisors (30553485190230).

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

20310120212010 is a wasteful number, since it uses less digits than its factorization.

20310120212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29434956862.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20310120212010 its reverse (1021202101302), we get a palindrome (21331322313312).

The spelling of 20310120212010 in words is "twenty trillion, three hundred ten billion, one hundred twenty million, two hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 29434956829 58869913658 88304870487 147174784145 176609740974 294349568290 441524352435 677004007067 883048704870 1354008014134 2031012021201 3385020035335 4062024042402 6770040070670 10155060106005 20310120212010