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1210313102020 = 2251121997271367
BaseRepresentation
bin10001100111001100010…
…010000101001011000100
311021201000210121222022221
4101213030102011023010
5124312210123231040
62324002110102124
7153304454423611
oct21471422051304
94251023558287
101210313102020
11427322214300
121766974aa944
138a19410c739
14428180b1508
152173a2e474a
hex119cc4852c4

1210313102020 has 144 divisors (see below), whose sum is σ = 2971088830080. Its totient is φ = 412649994240.

The previous prime is 1210313101997. The next prime is 1210313102021. The reversal of 1210313102020 is 202013130121.

It is a junction number, because it is equal to n+sod(n) for n = 1210313101985 and 1210313102003.

It is not an unprimeable number, because it can be changed into a prime (1210313102021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4324377 + ... + 4595743.

It is an arithmetic number, because the mean of its divisors is an integer number (20632561320).

Almost surely, 21210313102020 is an apocalyptic number.

1210313102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210313102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485544415040).

1210313102020 is an abundant number, since it is smaller than the sum of its proper divisors (1760775728060).

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

1210313102020 is a wasteful number, since it uses less digits than its factorization.

1210313102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271514 (or 271501 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1210313102020 its reverse (202013130121), we get a palindrome (1412326232141).

The spelling of 1210313102020 in words is "one trillion, two hundred ten billion, three hundred thirteen million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 97 110 121 190 194 209 220 242 380 388 418 484 485 605 836 970 1045 1067 1210 1843 1940 2090 2134 2299 2420 3686 4180 4268 4598 5335 7372 9196 9215 10670 11495 11737 18430 20273 21340 22990 23474 36860 40546 45980 46948 58685 81092 101365 117370 202730 223003 234740 271367 405460 446006 542734 892012 1085468 1115015 1356835 2230030 2713670 2985037 4460060 5155973 5427340 5970074 10311946 11940148 14925185 20623892 25779865 26322599 29850370 32835407 51559730 52645198 56715703 59700740 65670814 103119460 105290396 113431406 131341628 131612995 164177035 226862812 263225990 283578515 289548589 328354070 500129381 526451980 567157030 579097178 623872733 656708140 1000258762 1134314060 1158194356 1247745466 1447742945 2000517524 2495490932 2500646905 2895485890 3119363665 3185034479 5001293810 5501423191 5790971780 6238727330 6370068958 10002587620 11002846382 12477454660 12740137916 15925172395 22005692764 27507115955 31850344790 55014231910 60515655101 63700689580 110028463820 121031310202 242062620404 302578275505 605156551010 1210313102020