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2113100300 = 2252892331019
BaseRepresentation
bin111110111110011…
…0101101000001100
312110021011121200002
41331330311220030
513311423202200
6545403023432
7103236025163
oct17574655014
95407147602
102113100300
11994876593
124ab80ab78
13278a2690c
141608da3da
15c57a3bd5
hex7df35a0c

2113100300 has 72 divisors (see below), whose sum is σ = 4661420400. Its totient is φ = 831339520.

The previous prime is 2113100299. The next prime is 2113100309. The reversal of 2113100300 is 30013112.

It is not an unprimeable number, because it can be changed into a prime (2113100309) 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, 2073191 + ... + 2074209.

It is an arithmetic number, because the mean of its divisors is an integer number (64741950).

Almost surely, 22113100300 is an apocalyptic number.

2113100300 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 2113100300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2330710200).

2113100300 is an abundant number, since it is smaller than the sum of its proper divisors (2548320100).

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

2113100300 is a wasteful number, since it uses less digits than its factorization.

2113100300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2113100300 is about 45968.4707163508. The cubic root of 2113100300 is about 1283.2364995057.

Adding to 2113100300 its reverse (30013112), we get a palindrome (2143113412).

The spelling of 2113100300 in words is "two billion, one hundred thirteen million, one hundred thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 89 100 178 233 356 445 466 890 932 1019 1165 1780 2038 2225 2330 4076 4450 4660 5095 5825 8900 10190 11650 20380 20737 23300 25475 41474 50950 82948 90691 101900 103685 181382 207370 237427 362764 414740 453455 474854 518425 906910 949708 1036850 1187135 1813820 2073700 2267275 2374270 4534550 4748540 5935675 9069100 11871350 21131003 23742700 42262006 84524012 105655015 211310030 422620060 528275075 1056550150 2113100300