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213102013120 = 2652949146769
BaseRepresentation
bin1100011001110111011…
…1101010101011000000
3202101001110000220122121
43012131313222223000
511442413103404440
6241521523414024
721252603136663
oct3063567525300
9671043026577
10213102013120
1182415592617
1235373524314
131713188aa69
14a4582036da
15582382734a
hex319ddeaac0

213102013120 has 112 divisors (see below), whose sum is σ = 526027802400. Its totient is φ = 82132090880.

The previous prime is 213102013081. The next prime is 213102013121. The reversal of 213102013120 is 21310201312.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 213102013094 and 213102013103.

It is not an unprimeable number, because it can be changed into a prime (213102013121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4533096 + ... + 4579864.

Almost surely, 2213102013120 is an apocalyptic number.

213102013120 is a gapful number since it is divisible by the number (20) 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 213102013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263013901200).

213102013120 is an abundant number, since it is smaller than the sum of its proper divisors (312925789280).

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

213102013120 is a wasteful number, since it uses less digits than its factorization.

213102013120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47306 (or 47296 counting only the distinct ones).

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

Adding to 213102013120 its reverse (21310201312), we get a palindrome (234412214432).

The spelling of 213102013120 in words is "two hundred thirteen billion, one hundred two million, thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 145 160 232 290 320 464 491 580 928 982 1160 1856 1964 2320 2455 3928 4640 4910 7856 9280 9820 14239 15712 19640 28478 31424 39280 46769 56956 71195 78560 93538 113912 142390 157120 187076 227824 233845 284780 374152 455648 467690 569560 748304 911296 935380 1139120 1356301 1496608 1870760 2278240 2712602 2993216 3741520 4556480 5425204 6781505 7483040 10850408 13563010 14966080 21700816 22963579 27126020 43401632 45927158 54252040 86803264 91854316 108504080 114817895 183708632 217008160 229635790 367417264 434016320 459271580 665943791 734834528 918543160 1331887582 1469669056 1837086320 2663775164 3329718955 3674172640 5327550328 6659437910 7348345280 10655100656 13318875820 21310201312 26637751640 42620402624 53275503280 106551006560 213102013120