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212013213230 = 257213191751741
BaseRepresentation
bin1100010101110011111…
…0001110011000101110
3202021020120021010222202
43011130332032120232
511433200340310410
6241221510541502
721213612402200
oct3053476163056
9667216233882
10212013213230
1181a06a280a5
123510a967892
1316cba12bc80
14a39377c770
1557ace54ca5
hex315cf8e62e

212013213230 has 96 divisors (see below), whose sum is σ = 503240441760. Its totient is φ = 63567141120.

The previous prime is 212013213227. The next prime is 212013213263. The reversal of 212013213230 is 32312310212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 754841 + ... + 996900.

It is an arithmetic number, because the mean of its divisors is an integer number (5242087935).

Almost surely, 2212013213230 is an apocalyptic number.

212013213230 is an abundant number, since it is smaller than the sum of its proper divisors (291227228530).

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

212013213230 is a wasteful number, since it uses less digits than its factorization.

212013213230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751794 (or 1751787 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212013213230 its reverse (32312310212), we get a palindrome (244325523442).

The spelling of 212013213230 in words is "two hundred twelve billion, thirteen million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 7 10 13 14 19 26 35 38 49 65 70 91 95 98 130 133 182 190 245 247 266 455 490 494 637 665 910 931 1235 1274 1330 1729 1862 2470 3185 3458 4655 6370 8645 9310 12103 17290 24206 60515 121030 1751741 3503482 8758705 12262187 17517410 22772633 24524374 33283079 45545266 61310935 66566158 85835309 113863165 122621870 159408431 166415395 171670618 227726330 232981553 318816862 332830790 429176545 432680027 465963106 797042155 858353090 865360054 1115859017 1164907765 1594084310 1630870871 2163400135 2231718034 2329815530 3028760189 3261741742 4326800270 5579295085 6057520378 8154354355 11158590170 15143800945 16308708710 21201321323 30287601890 42402642646 106006606615 212013213230