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2101101310 = 257112728703
BaseRepresentation
bin111110100111100…
…0100001011111110
312102102121000011001
41331033010023332
513300340220220
6544253520514
7103032031540
oct17517041376
95372530131
102101101310
11989020570
124a77a313a
132763b5219
1415d095690
15c46d380a
hex7d3c42fe

2101101310 has 32 divisors (see below), whose sum is σ = 4715200512. Its totient is φ = 654888480.

The previous prime is 2101101269. The next prime is 2101101311. The reversal of 2101101310 is 131011012.

It is a super-2 number, since 2×21011013102 = 8829253429767432200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101101311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1363582 + ... + 1365121.

It is an arithmetic number, because the mean of its divisors is an integer number (147350016).

Almost surely, 22101101310 is an apocalyptic number.

2101101310 is an abundant number, since it is smaller than the sum of its proper divisors (2614099202).

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

2101101310 is a wasteful number, since it uses less digits than its factorization.

2101101310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728728.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2101101310 is about 45837.7716517721. The cubic root of 2101101310 is about 1280.8029853325.

Adding to 2101101310 its reverse (131011012), we get a palindrome (2232112322).

The spelling of 2101101310 in words is "two billion, one hundred one million, one hundred one thousand, three hundred ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 2728703 5457406 13643515 19100921 27287030 30015733 38201842 60031466 95504605 150078665 191009210 210110131 300157330 420220262 1050550655 2101101310