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2021111000212 = 2213922927135851
BaseRepresentation
bin11101011010010011100…
…110100110110010010100
321011012211200220202222211
4131122103212212302110
5231103213404001322
64144252515003204
7266010005021443
oct35322346466224
97135750822884
102021111000212
1170a16a5187a7
12287855b99504
13118789171885
146db72538d5a
1537891553b77
hex1d6939a6c94

2021111000212 has 48 divisors (see below), whose sum is σ = 3579876731200. Its totient is φ = 998365305600.

The previous prime is 2021111000179. The next prime is 2021111000231. The reversal of 2021111000212 is 2120001111202.

It is a junction number, because it is equal to n+sod(n) for n = 2021111000192 and 2021111000201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345427087 + ... + 345432937.

Almost surely, 22021111000212 is an apocalyptic number.

It is an amenable number.

2021111000212 is a deficient number, since it is larger than the sum of its proper divisors (1558765730988).

2021111000212 is a wasteful number, since it uses less digits than its factorization.

2021111000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8936 (or 8934 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2021111000212 its reverse (2120001111202), we get a palindrome (4141112111414).

The spelling of 2021111000212 in words is "two trillion, twenty-one billion, one hundred eleven million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 139 229 278 458 556 916 2713 5426 5851 10852 11702 23404 31831 63662 127324 377107 621277 754214 813289 1242554 1339879 1508428 1626578 2485108 2679758 3253156 5359516 15873763 31747526 63495052 86357503 172715006 186243181 345430012 372486362 744972724 2206453057 3635091727 4412906114 7270183454 8825812228 14540366908 505277750053 1010555500106 2021111000212