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10122231200 = 255257122159
BaseRepresentation
bin10010110110101010…
…01111110110100000
3222010102202121210212
421123111033312200
5131212242344300
64352230313252
7505560355064
oct113325176640
928112677725
1010122231200
114324810134
121b65ab8828
13c54115b23
146c049daa4
153e39a4935
hex25b54fda0

10122231200 has 72 divisors (see below), whose sum is σ = 24755290560. Its totient is φ = 4041619200.

The previous prime is 10122231191. The next prime is 10122231257. The reversal of 10122231200 is 213222101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445721 + ... + 467879.

It is an arithmetic number, because the mean of its divisors is an integer number (343823480).

Almost surely, 210122231200 is an apocalyptic number.

10122231200 is a gapful number since it is divisible by the number (10) 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 10122231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12377645280).

10122231200 is an abundant number, since it is smaller than the sum of its proper divisors (14633059360).

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

10122231200 is a wasteful number, since it uses less digits than its factorization.

10122231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22750 (or 22737 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10122231200 its reverse (213222101), we get a palindrome (10335453301).

Subtracting from 10122231200 its reverse (213222101), we obtain a palindrome (9909009099).

The spelling of 10122231200 in words is "ten billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 571 800 1142 2284 2855 4568 5710 9136 11420 14275 18272 22159 22840 28550 44318 45680 57100 88636 91360 110795 114200 177272 221590 228400 354544 443180 456800 553975 709088 886360 1107950 1772720 2215900 3545440 4431800 8863600 12652789 17727200 25305578 50611156 63263945 101222312 126527890 202444624 253055780 316319725 404889248 506111560 632639450 1012223120 1265278900 2024446240 2530557800 5061115600 10122231200