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2101033100 = 2252173121447
BaseRepresentation
bin111110100111011…
…0011100010001100
312102102110112120202
41331032303202030
513300331024400
6544252233032
7103031325635
oct17516634214
95372415522
102101033100
11988a842a1
124a776b778
1327639016a
1415d07888c
15c46bd4d5
hex7d3b388c

2101033100 has 36 divisors (see below), whose sum is σ = 4585633584. Its totient is φ = 835548480.

The previous prime is 2101033073. The next prime is 2101033139. The reversal of 2101033100 is 13301012.

It is a super-2 number, since 2×21010331002 = 8828680174591220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43424 + ... + 78023.

Almost surely, 22101033100 is an apocalyptic number.

2101033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101033100 is an abundant number, since it is smaller than the sum of its proper divisors (2484600484).

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

2101033100 is a wasteful number, since it uses less digits than its factorization.

2101033100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121634 (or 121627 counting only the distinct ones).

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

The square root of 2101033100 is about 45837.0276086921. The cubic root of 2101033100 is about 1280.7891252175.

Adding to 2101033100 its reverse (13301012), we get a palindrome (2114334112).

The spelling of 2101033100 in words is "two billion, one hundred one million, thirty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 173 346 692 865 1730 3460 4325 8650 17300 121447 242894 485788 607235 1214470 2428940 3036175 6072350 12144700 21010331 42020662 84041324 105051655 210103310 420206620 525258275 1050516550 2101033100