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11223130212020 = 2254127150504591
BaseRepresentation
bin1010001101010001011010…
…1100001000011010110100
31110201220212020111212201002
42203110112230020122310
52432334432313241040
635511500154222432
72235562425532646
oct243242654103264
943656766455632
1011223130212020
113637780466811
12131314b724a18
1363544b7934cc
142ab2b955c896
15146e155aea15
hexa3516b086b4

11223130212020 has 48 divisors (see below), whose sum is σ = 24232507278336. Its totient is φ = 4363596576000.

The previous prime is 11223130211977. The next prime is 11223130212037. The reversal of 11223130212020 is 2021203132211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11223130211983 and 11223130212001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25030076 + ... + 25474515.

It is an arithmetic number, because the mean of its divisors is an integer number (504843901632).

Almost surely, 211223130212020 is an apocalyptic number.

11223130212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223130212020 is an abundant number, since it is smaller than the sum of its proper divisors (13009377066316).

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

11223130212020 is a wasteful number, since it uses less digits than its factorization.

11223130212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50504912 (or 50504910 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11223130212020 its reverse (2021203132211), we get a palindrome (13244333344231).

The spelling of 11223130212020 in words is "eleven trillion, two hundred twenty-three billion, one hundred thirty million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 271 410 542 820 1084 1355 2710 5420 11111 22222 44444 55555 111110 222220 50504591 101009182 202018364 252522955 505045910 1010091820 2070688231 4141376462 8282752924 10353441155 13686744161 20706882310 27373488322 41413764620 54746976644 68433720805 136867441610 273734883220 561156510601 1122313021202 2244626042404 2805782553005 5611565106010 11223130212020