Search a number
-
+
212202112302 = 2326715127717
BaseRepresentation
bin1100010110100000111…
…0110100010100101110
3202021201201201012210200
43011220032310110232
511434042220043202
6241252335414330
721221365123305
oct3055016642456
9667651635720
10212202112302
1181aa3618834
12351620843a6
131701a2ca57b
14a3b08b143c
1557be819e1c
hex31683b452e

212202112302 has 72 divisors (see below), whose sum is σ = 469805125608. Its totient is φ = 69207890400.

The previous prime is 212202112301. The next prime is 212202112307. The reversal of 212202112302 is 203211202212.

212202112302 is a `hidden beast` number, since 2 + 1 + 220 + 211 + 230 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202112301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27494148 + ... + 27501864.

It is an arithmetic number, because the mean of its divisors is an integer number (6525071189).

Almost surely, 2212202112302 is an apocalyptic number.

212202112302 is an abundant number, since it is smaller than the sum of its proper divisors (257603013306).

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

212202112302 is a wasteful number, since it uses less digits than its factorization.

212202112302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8094 (or 7940 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212202112302 its reverse (203211202212), we get a palindrome (415413314514).

The spelling of 212202112302 in words is "two hundred twelve billion, two hundred two million, one hundred twelve thousand, three hundred two".

Divisors: 1 2 3 6 9 18 67 134 151 201 302 402 453 603 906 1206 1359 2718 7717 10117 15434 20234 22801 23151 30351 45602 46302 60702 68403 69453 91053 136806 138906 182106 205209 410418 517039 1034078 1165267 1527667 1551117 2330534 3055334 3102234 3495801 4583001 4653351 6991602 9166002 9306702 10487403 13749003 20974806 27498006 78072889 156145778 175955317 234218667 351910634 468437334 527865951 702656001 1055731902 1405312002 1583597853 3167195706 11789006239 23578012478 35367018717 70734037434 106101056151 212202112302