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2021012220200 = 235213177137871
BaseRepresentation
bin11101011010001101101…
…101110010100100101000
321011012120211001020021212
4131122031231302210220
5231103013112021300
64144235025452252
7266004365300201
oct35321555624450
97135524036255
102021012220200
1170a11978a926
12287828aa1088
1311877186746c
146db633845a8
1537887a40935
hex1d68db72928

2021012220200 has 48 divisors (see below), whose sum is σ = 4734722583360. Its totient is φ = 802233848000.

The previous prime is 2021012220191. The next prime is 2021012220229. The reversal of 2021012220200 is 20222101202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38542736 + ... + 38595135.

It is an arithmetic number, because the mean of its divisors is an integer number (98640053820).

Almost surely, 22021012220200 is an apocalyptic number.

2021012220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021012220200 is an abundant number, since it is smaller than the sum of its proper divisors (2713710363160).

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

2021012220200 is a wasteful number, since it uses less digits than its factorization.

2021012220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77138018 (or 77138009 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2021012220200 its reverse (20222101202), we get a palindrome (2041234321402).

The spelling of 2021012220200 in words is "two trillion, twenty-one billion, twelve million, two hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 131 200 262 524 655 1048 1310 2620 3275 5240 6550 13100 26200 77137871 154275742 308551484 385689355 617102968 771378710 1542757420 1928446775 3085514840 3856893550 7713787100 10105061101 15427574200 20210122202 40420244404 50525305505 80840488808 101050611010 202101222020 252626527525 404202444040 505253055050 1010506110100 2021012220200