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11203230100 = 2252532239479
BaseRepresentation
bin10100110111100001…
…11011100110010100
31001220202212001112011
422123300323212110
5140421011330400
65051404034004
7544424612266
oct123360734624
931822761464
1011203230100
114829a27657
122207b32904
131097072c4a
14783c93b36
154588358ba
hex29bc3b994

11203230100 has 72 divisors (see below), whose sum is σ = 24883407360. Its totient is φ = 4376561280.

The previous prime is 11203230097. The next prime is 11203230109. The reversal of 11203230100 is 103230211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203230109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1177161 + ... + 1186639.

It is an arithmetic number, because the mean of its divisors is an integer number (345602880).

Almost surely, 211203230100 is an apocalyptic number.

11203230100 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 11203230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12441703680).

11203230100 is an abundant number, since it is smaller than the sum of its proper divisors (13680177260).

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

11203230100 is a wasteful number, since it uses less digits than its factorization.

11203230100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9769 (or 9762 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11203230100 its reverse (103230211), we get a palindrome (11306460311).

The spelling of 11203230100 in words is "eleven billion, two hundred three million, two hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 212 223 265 446 530 892 1060 1115 1325 2230 2650 4460 5300 5575 9479 11150 11819 18958 22300 23638 37916 47276 47395 59095 94790 118190 189580 236380 236975 295475 473950 502387 590950 947900 1004774 1181900 2009548 2113817 2511935 4227634 5023870 8455268 10047740 10569085 12559675 21138170 25119350 42276340 50238700 52845425 105690850 112032301 211381700 224064602 448129204 560161505 1120323010 2240646020 2800807525 5601615050 11203230100