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20120300103210 = 2354617349197963
BaseRepresentation
bin1001001001100100111110…
…10101110010011000101010
32122020111000022022221100220
410210302133111302120222
510114122333311300320
6110443045510510510
74144433536023516
oct444623725623052
978214008287326
1020120300103210
116457a7596713a
12230b547965436
13b2c44a703b68
144d7b833a3146
1524d59636ae40
hex124c9f57262a

20120300103210 has 64 divisors (see below), whose sum is σ = 48400297545600. Its totient is φ = 5353019175680.

The previous prime is 20120300103161. The next prime is 20120300103217. The reversal of 20120300103210 is 1230100302102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20120300103210.

It is not an unprimeable number, because it can be changed into a prime (20120300103217) 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, 101537689 + ... + 101735651.

It is an arithmetic number, because the mean of its divisors is an integer number (756254649150).

Almost surely, 220120300103210 is an apocalyptic number.

20120300103210 is an abundant number, since it is smaller than the sum of its proper divisors (28279997442390).

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

20120300103210 is a wasteful number, since it uses less digits than its factorization.

20120300103210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205783.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20120300103210 its reverse (1230100302102), we get a palindrome (21350400405312).

The spelling of 20120300103210 in words is "twenty trillion, one hundred twenty billion, three hundred million, one hundred three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 461 922 1383 2305 2766 4610 6915 7349 13830 14698 22047 36745 44094 73490 110235 197963 220470 395926 593889 989815 1187778 1979630 2969445 3387889 5938890 6775778 10163667 16939445 20327334 33878890 50818335 91260943 101636670 182521886 273782829 456304715 547565658 912609430 1368914145 1454830087 2737828290 2909660174 4364490261 7274150435 8728980522 14548300870 21822451305 43644902610 670676670107 1341353340214 2012030010321 3353383350535 4024060020642 6706766701070 10060150051605 20120300103210