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2101103430 = 235312519001
BaseRepresentation
bin111110100111100…
…0100101101000110
312102102121010001120
41331033010231012
513300340302210
6544253534410
7103032040656
oct17517045506
95372533046
102101103430
11989022118
124a77a4406
132763b618a
1415d096366
15c46d4270
hex7d3c4b46

2101103430 has 64 divisors (see below), whose sum is σ = 5226633216. Its totient is φ = 540000000.

The previous prime is 2101103419. The next prime is 2101103443. The reversal of 2101103430 is 343011012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 228930 + ... + 237930.

It is an arithmetic number, because the mean of its divisors is an integer number (81666144).

Almost surely, 22101103430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101103430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2613316608).

2101103430 is an abundant number, since it is smaller than the sum of its proper divisors (3125529786).

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

2101103430 is a wasteful number, since it uses less digits than its factorization.

2101103430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9293.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2101103430 is about 45837.7947767996. The cubic root of 2101103430 is about 1280.8034161068.

Adding to 2101103430 its reverse (343011012), we get a palindrome (2444114442).

The spelling of 2101103430 in words is "two billion, one hundred one million, one hundred three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 251 310 465 502 753 930 1255 1506 2510 3765 7530 7781 9001 15562 18002 23343 27003 38905 45005 46686 54006 77810 90010 116715 135015 233430 270030 279031 558062 837093 1395155 1674186 2259251 2790310 4185465 4518502 6777753 8370930 11296255 13555506 22592510 33888765 67777530 70036781 140073562 210110343 350183905 420220686 700367810 1050551715 2101103430